mitmproxy/examples/contrib/test_xss_scanner.py
Maximilian Hils b7ac3186ee
Update Dependencies (#7916)
* update dependencies

* make ruff happy

* make mypy on Windows happy
2025-10-15 18:55:11 +02:00

521 lines
19 KiB
Python

import pytest
import requests
from examples.complex import xss_scanner as xss
from mitmproxy.test import tflow
from mitmproxy.test import tutils
class TestXSSScanner:
def test_get_XSS_info(self):
# First type of exploit: <script>PAYLOAD</script>
# Exploitable:
xss_info = xss.get_XSS_data(
b"<html><script>%s</script><html>" % xss.FULL_PAYLOAD,
"https://example.com",
"End of URL",
)
expected_xss_info = xss.XSSData(
"https://example.com",
"End of URL",
"</script><script>alert(0)</script><script>",
xss.FULL_PAYLOAD.decode("utf-8"),
)
assert xss_info == expected_xss_info
xss_info = xss.get_XSS_data(
b"<html><script>%s</script><html>"
% xss.FULL_PAYLOAD.replace(b"'", b"%27").replace(b'"', b"%22"),
"https://example.com",
"End of URL",
)
expected_xss_info = xss.XSSData(
"https://example.com",
"End of URL",
"</script><script>alert(0)</script><script>",
xss.FULL_PAYLOAD.replace(b"'", b"%27")
.replace(b'"', b"%22")
.decode("utf-8"),
)
assert xss_info == expected_xss_info
# Non-Exploitable:
xss_info = xss.get_XSS_data(
b"<html><script>%s</script><html>"
% xss.FULL_PAYLOAD.replace(b"'", b"%27")
.replace(b'"', b"%22")
.replace(b"/", b"%2F"),
"https://example.com",
"End of URL",
)
assert xss_info is None
# Second type of exploit: <script>t='PAYLOAD'</script>
# Exploitable:
xss_info = xss.get_XSS_data(
b"<html><script>t='%s';</script></html>"
% xss.FULL_PAYLOAD.replace(b"<", b"%3C")
.replace(b">", b"%3E")
.replace(b'"', b"%22"),
"https://example.com",
"End of URL",
)
expected_xss_info = xss.XSSData(
"https://example.com",
"End of URL",
"';alert(0);g='",
xss.FULL_PAYLOAD.replace(b"<", b"%3C")
.replace(b">", b"%3E")
.replace(b'"', b"%22")
.decode("utf-8"),
)
assert xss_info == expected_xss_info
# Non-Exploitable:
xss_info = xss.get_XSS_data(
b"<html><script>t='%s';</script></html>"
% xss.FULL_PAYLOAD.replace(b"<", b"%3C")
.replace(b'"', b"%22")
.replace(b"'", b"%22"),
"https://example.com",
"End of URL",
)
assert xss_info is None
# Third type of exploit: <script>t="PAYLOAD"</script>
# Exploitable:
xss_info = xss.get_XSS_data(
b'<html><script>t="%s";</script></html>'
% xss.FULL_PAYLOAD.replace(b"<", b"%3C")
.replace(b">", b"%3E")
.replace(b"'", b"%27"),
"https://example.com",
"End of URL",
)
expected_xss_info = xss.XSSData(
"https://example.com",
"End of URL",
'";alert(0);g="',
xss.FULL_PAYLOAD.replace(b"<", b"%3C")
.replace(b">", b"%3E")
.replace(b"'", b"%27")
.decode("utf-8"),
)
assert xss_info == expected_xss_info
# Non-Exploitable:
xss_info = xss.get_XSS_data(
b'<html><script>t="%s";</script></html>'
% xss.FULL_PAYLOAD.replace(b"<", b"%3C")
.replace(b"'", b"%27")
.replace(b'"', b"%22"),
"https://example.com",
"End of URL",
)
assert xss_info is None
# Fourth type of exploit: <a href='PAYLOAD'>Test</a>
# Exploitable:
xss_info = xss.get_XSS_data(
b"<html><a href='%s'>Test</a></html>" % xss.FULL_PAYLOAD,
"https://example.com",
"End of URL",
)
expected_xss_info = xss.XSSData(
"https://example.com",
"End of URL",
"'><script>alert(0)</script>",
xss.FULL_PAYLOAD.decode("utf-8"),
)
assert xss_info == expected_xss_info
# Non-Exploitable:
xss_info = xss.get_XSS_data(
b"<html><a href='OtherStuff%s'>Test</a></html>"
% xss.FULL_PAYLOAD.replace(b"'", b"%27"),
"https://example.com",
"End of URL",
)
assert xss_info is None
# Fifth type of exploit: <a href="PAYLOAD">Test</a>
# Exploitable:
xss_info = xss.get_XSS_data(
b'<html><a href="%s">Test</a></html>'
% xss.FULL_PAYLOAD.replace(b"'", b"%27"),
"https://example.com",
"End of URL",
)
expected_xss_info = xss.XSSData(
"https://example.com",
"End of URL",
'"><script>alert(0)</script>',
xss.FULL_PAYLOAD.replace(b"'", b"%27").decode("utf-8"),
)
assert xss_info == expected_xss_info
# Non-Exploitable:
xss_info = xss.get_XSS_data(
b'<html><a href="OtherStuff%s">Test</a></html>'
% xss.FULL_PAYLOAD.replace(b"'", b"%27").replace(b'"', b"%22"),
"https://example.com",
"End of URL",
)
assert xss_info is None
# Sixth type of exploit: <a href=PAYLOAD>Test</a>
# Exploitable:
xss_info = xss.get_XSS_data(
b"<html><a href=%s>Test</a></html>" % xss.FULL_PAYLOAD,
"https://example.com",
"End of URL",
)
expected_xss_info = xss.XSSData(
"https://example.com",
"End of URL",
"><script>alert(0)</script>",
xss.FULL_PAYLOAD.decode("utf-8"),
)
assert xss_info == expected_xss_info
# Non-Exploitable
xss_info = xss.get_XSS_data(
b"<html><a href=OtherStuff%s>Test</a></html>"
% xss.FULL_PAYLOAD.replace(b"<", b"%3C")
.replace(b">", b"%3E")
.replace(b"=", b"%3D"),
"https://example.com",
"End of URL",
)
assert xss_info is None
# Seventh type of exploit: <html>PAYLOAD</html>
# Exploitable:
xss_info = xss.get_XSS_data(
b"<html><b>%s</b></html>" % xss.FULL_PAYLOAD,
"https://example.com",
"End of URL",
)
expected_xss_info = xss.XSSData(
"https://example.com",
"End of URL",
"<script>alert(0)</script>",
xss.FULL_PAYLOAD.decode("utf-8"),
)
assert xss_info == expected_xss_info
# Non-Exploitable
xss_info = xss.get_XSS_data(
b"<html><b>%s</b></html>"
% xss.FULL_PAYLOAD.replace(b"<", b"%3C")
.replace(b">", b"%3E")
.replace(b"/", b"%2F"),
"https://example.com",
"End of URL",
)
assert xss_info is None
# Eighth type of exploit: <a href=PAYLOAD>Test</a>
# Exploitable:
xss_info = xss.get_XSS_data(
b"<html><a href=%s>Test</a></html>"
% xss.FULL_PAYLOAD.replace(b"<", b"%3C").replace(b">", b"%3E"),
"https://example.com",
"End of URL",
)
expected_xss_info = xss.XSSData(
"https://example.com",
"End of URL",
"Javascript:alert(0)",
xss.FULL_PAYLOAD.replace(b"<", b"%3C")
.replace(b">", b"%3E")
.decode("utf-8"),
)
assert xss_info == expected_xss_info
# Non-Exploitable:
xss_info = xss.get_XSS_data(
b"<html><a href=OtherStuff%s>Test</a></html>"
% xss.FULL_PAYLOAD.replace(b"<", b"%3C")
.replace(b">", b"%3E")
.replace(b"=", b"%3D"),
"https://example.com",
"End of URL",
)
assert xss_info is None
# Ninth type of exploit: <a href="STUFF PAYLOAD">Test</a>
# Exploitable:
xss_info = xss.get_XSS_data(
b'<html><a href="STUFF %s">Test</a></html>'
% xss.FULL_PAYLOAD.replace(b"<", b"%3C").replace(b">", b"%3E"),
"https://example.com",
"End of URL",
)
expected_xss_info = xss.XSSData(
"https://example.com",
"End of URL",
'" onmouseover="alert(0)" t="',
xss.FULL_PAYLOAD.replace(b"<", b"%3C")
.replace(b">", b"%3E")
.decode("utf-8"),
)
assert xss_info == expected_xss_info
# Non-Exploitable:
xss_info = xss.get_XSS_data(
b'<html><a href="STUFF %s">Test</a></html>'
% xss.FULL_PAYLOAD.replace(b"<", b"%3C")
.replace(b">", b"%3E")
.replace(b'"', b"%22"),
"https://example.com",
"End of URL",
)
assert xss_info is None
# Tenth type of exploit: <a href='STUFF PAYLOAD'>Test</a>
# Exploitable:
xss_info = xss.get_XSS_data(
b"<html><a href='STUFF %s'>Test</a></html>"
% xss.FULL_PAYLOAD.replace(b"<", b"%3C").replace(b">", b"%3E"),
"https://example.com",
"End of URL",
)
expected_xss_info = xss.XSSData(
"https://example.com",
"End of URL",
"' onmouseover='alert(0)' t='",
xss.FULL_PAYLOAD.replace(b"<", b"%3C")
.replace(b">", b"%3E")
.decode("utf-8"),
)
assert xss_info == expected_xss_info
# Non-Exploitable:
xss_info = xss.get_XSS_data(
b"<html><a href='STUFF %s'>Test</a></html>"
% xss.FULL_PAYLOAD.replace(b"<", b"%3C")
.replace(b">", b"%3E")
.replace(b"'", b"%22"),
"https://example.com",
"End of URL",
)
assert xss_info is None
# Eleventh type of exploit: <a href=STUFF_PAYLOAD>Test</a>
# Exploitable:
xss_info = xss.get_XSS_data(
b"<html><a href=STUFF%s>Test</a></html>"
% xss.FULL_PAYLOAD.replace(b"<", b"%3C").replace(b">", b"%3E"),
"https://example.com",
"End of URL",
)
expected_xss_info = xss.XSSData(
"https://example.com",
"End of URL",
" onmouseover=alert(0) t=",
xss.FULL_PAYLOAD.replace(b"<", b"%3C")
.replace(b">", b"%3E")
.decode("utf-8"),
)
assert xss_info == expected_xss_info
# Non-Exploitable:
xss_info = xss.get_XSS_data(
b"<html><a href=STUFF_%s>Test</a></html>"
% xss.FULL_PAYLOAD.replace(b"<", b"%3C")
.replace(b">", b"%3E")
.replace(b"=", b"%3D"),
"https://example.com",
"End of URL",
)
assert xss_info is None
def test_get_SQLi_data(self):
sqli_data = xss.get_SQLi_data(
"<html>SQL syntax MySQL</html>",
"<html></html>",
"https://example.com",
"End of URL",
)
expected_sqli_data = xss.SQLiData(
"https://example.com", "End of URL", "SQL syntax.*MySQL", "MySQL"
)
assert sqli_data == expected_sqli_data
sqli_data = xss.get_SQLi_data(
"<html>SQL syntax MySQL</html>",
"<html>SQL syntax MySQL</html>",
"https://example.com",
"End of URL",
)
assert sqli_data is None
def test_inside_quote(self):
assert not xss.inside_quote("'", b"no", 0, b"no")
assert xss.inside_quote("'", b"yes", 0, b"'yes'")
assert xss.inside_quote("'", b"yes", 1, b"'yes'otherJunk'yes'more")
assert not xss.inside_quote("'", b"longStringNotInIt", 1, b"short")
def test_paths_to_text(self):
text = xss.paths_to_text(
"""<html><head><h1>STRING</h1></head>
<script>STRING</script>
<a href=STRING></a></html>""",
"STRING",
)
expected_text = ["/html/head/h1", "/html/script"]
assert text == expected_text
assert xss.paths_to_text("""<html></html>""", "STRING") == []
def mocked_requests_vuln(*args, headers=None, cookies=None):
class MockResponse:
def __init__(self, html, headers=None, cookies=None):
self.text = html
return MockResponse("<html>%s</html>" % xss.FULL_PAYLOAD)
def mocked_requests_invuln(*args, headers=None, cookies=None):
class MockResponse:
def __init__(self, html, headers=None, cookies=None):
self.text = html
return MockResponse("<html></html>")
def test_test_end_of_url_injection(self, get_request_vuln):
xss_info = xss.test_end_of_URL_injection(
"<html></html>", "https://example.com/index.html", {}
)[0]
expected_xss_info = xss.XSSData(
"https://example.com/index.html/1029zxcs'd\"ao<ac>so[sb]po(pc)se;sl/bsl\\eq=3847asd",
"End of URL",
"<script>alert(0)</script>",
"1029zxcs\\'d\"ao<ac>so[sb]po(pc)se;sl/bsl\\\\eq=3847asd",
)
sqli_info = xss.test_end_of_URL_injection(
"<html></html>", "https://example.com/", {}
)[1]
assert xss_info == expected_xss_info
assert sqli_info is None
def test_test_referer_injection(self, get_request_vuln):
xss_info = xss.test_referer_injection(
"<html></html>", "https://example.com/", {}
)[0]
expected_xss_info = xss.XSSData(
"https://example.com/",
"Referer",
"<script>alert(0)</script>",
"1029zxcs\\'d\"ao<ac>so[sb]po(pc)se;sl/bsl\\\\eq=3847asd",
)
sqli_info = xss.test_referer_injection(
"<html></html>", "https://example.com/", {}
)[1]
assert xss_info == expected_xss_info
assert sqli_info is None
def test_test_user_agent_injection(self, get_request_vuln):
xss_info = xss.test_user_agent_injection(
"<html></html>", "https://example.com/", {}
)[0]
expected_xss_info = xss.XSSData(
"https://example.com/",
"User Agent",
"<script>alert(0)</script>",
"1029zxcs\\'d\"ao<ac>so[sb]po(pc)se;sl/bsl\\\\eq=3847asd",
)
sqli_info = xss.test_user_agent_injection(
"<html></html>", "https://example.com/", {}
)[1]
assert xss_info == expected_xss_info
assert sqli_info is None
def test_test_query_injection(self, get_request_vuln):
xss_info = xss.test_query_injection(
"<html></html>", "https://example.com/vuln.php?cmd=ls", {}
)[0]
expected_xss_info = xss.XSSData(
"https://example.com/vuln.php?cmd=1029zxcs'd\"ao<ac>so[sb]po(pc)se;sl/bsl\\eq=3847asd",
"Query",
"<script>alert(0)</script>",
"1029zxcs\\'d\"ao<ac>so[sb]po(pc)se;sl/bsl\\\\eq=3847asd",
)
sqli_info = xss.test_query_injection(
"<html></html>", "https://example.com/vuln.php?cmd=ls", {}
)[1]
assert xss_info == expected_xss_info
assert sqli_info is None
@pytest.fixture(scope="function")
def get_request_vuln(self, monkeypatch):
monkeypatch.setattr(requests, "get", self.mocked_requests_vuln)
@pytest.fixture(scope="function")
def get_request_invuln(self, monkeypatch):
monkeypatch.setattr(requests, "get", self.mocked_requests_invuln)
@pytest.fixture(scope="function")
def mock_gethostbyname(self, monkeypatch):
def gethostbyname(domain):
claimed_domains = ["google.com"]
if domain not in claimed_domains:
from socket import gaierror
raise gaierror("[Errno -2] Name or service not known")
else:
return "216.58.221.46"
monkeypatch.setattr("socket.gethostbyname", gethostbyname)
def test_find_unclaimed_URLs(self, logger, mock_gethostbyname):
xss.find_unclaimed_URLs(
'<html><script src="http://google.com"></script></html>',
"https://example.com",
)
assert logger.args == []
xss.find_unclaimed_URLs(
'<html><script src="http://unclaimedDomainName.com"></script></html>',
"https://example.com",
)
assert (
logger.args[0]
== 'XSS found in https://example.com due to unclaimed URL "http://unclaimedDomainName.com".'
)
xss.find_unclaimed_URLs(
'<html><iframe src="http://unclaimedDomainName.com"></iframe></html>',
"https://example.com",
)
assert (
logger.args[1]
== 'XSS found in https://example.com due to unclaimed URL "http://unclaimedDomainName.com".'
)
xss.find_unclaimed_URLs(
'<html><link rel="stylesheet" href="http://unclaimedDomainName.com"></html>',
"https://example.com",
)
assert (
logger.args[2]
== 'XSS found in https://example.com due to unclaimed URL "http://unclaimedDomainName.com".'
)
def test_log_XSS_data(self, logger):
xss.log_XSS_data(None)
assert logger.args == []
# self, url: str, injection_point: str, exploit: str, line: str
xss.log_XSS_data(
xss.XSSData("https://example.com", "Location", "String", "Line of HTML")
)
assert logger.args[0] == "===== XSS Found ===="
assert logger.args[1] == "XSS URL: https://example.com"
assert logger.args[2] == "Injection Point: Location"
assert logger.args[3] == "Suggested Exploit: String"
assert logger.args[4] == "Line: Line of HTML"
def test_log_SQLi_data(self, logger):
xss.log_SQLi_data(None)
assert logger.args == []
xss.log_SQLi_data(
xss.SQLiData("https://example.com", "Location", "Oracle.*Driver", "Oracle")
)
assert logger.args[0] == "===== SQLi Found ====="
assert logger.args[1] == "SQLi URL: https://example.com"
assert logger.args[2] == "Injection Point: Location"
assert logger.args[3] == "Regex used: Oracle.*Driver"
def test_get_cookies(self):
mocked_req = tutils.treq()
mocked_req.cookies = [("cookieName2", "cookieValue2")]
mocked_flow = tflow.tflow(req=mocked_req)
# It only uses the request cookies
assert xss.get_cookies(mocked_flow) == {"cookieName2": "cookieValue2"}
def test_response(self, get_request_invuln, logger):
mocked_flow = tflow.tflow(
req=tutils.treq(path=b"index.html?q=1"),
resp=tutils.tresp(content=b"<html></html>"),
)
xss.response(mocked_flow)
assert logger.args == []
def test_data_equals(self):
xssData = xss.XSSData("a", "b", "c", "d")
sqliData = xss.SQLiData("a", "b", "c", "d")
assert xssData == xssData
assert sqliData == sqliData