CVE-2018-19787
Status: ModifiedMedium (6.1)—
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.
CVSS
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Base score: 6.1
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 2.44%
- Percentile among all scored CVEs: 84
- Score date: 10/9/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (3)
CWEs
- CWE-79
- CWE-79
References
- 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/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/
Raw JSON (NVD)
Show
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