CVE-2018-19787
An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by "j a v a s c r i p t:" in Internet Explorer. This is a similar issue to CVE-2014-3146.
02 / AFFECTED SOFTWARE
Affected packages
75 explicit affected versions
78 explicit affected versions
128 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by "j a v a s c r i p t:" in Internet Explorer. This is a similar issue to CVE-2014-3146.
An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by "j a v a s c r i p t:" in Internet Explorer. This is a similar issue to CVE-2014-3146.
An issue was discovered in lxml before 4.2.5. lxml/html/clean.py in the lxml.html.clean module does not remove javascript: URLs that use escaping, allowing a remote attacker to conduct XSS attacks, as demonstrated by "j a v a s c r i p t:" in Internet Explorer. This is a similar issue to CVE-2014-3146.
05 / REFERENCES
Further evidence
- https://github.com/lxml/lxml/commit/6be1d081b49c97cfd7b3fbd934a193b668629109
- https://lists.debian.org/debian-lts-announce/2018/12/msg00001.html
- https://lists.debian.org/debian-lts-announce/2020/11/msg00044.html
- https://usn.ubuntu.com/3841-1/
- https://usn.ubuntu.com/3841-2/
- https://github.com/advisories/GHSA-xp26-p53h-6h2p
- https://github.com/lxml/lxml
- https://github.com/pypa/advisory-database/tree/main/vulns/lxml/PYSEC-2018-12.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2018-19787
- https://usn.ubuntu.com/3841-1
- https://usn.ubuntu.com/3841-2