CVE-2021-35043
Cross-site Scripting in OWASP AntiSamy
6.1
MEDIUM
CVSS 3.1
EPSS 1.5%
Description
OWASP AntiSamy before 1.6.4 allows XSS via HTML attributes when using the HTML output serializer (XHTML is not affected). This was demonstrated by a javascript: URL with : as the replacement for the : character.
How to fix CVE-2021-35043
To remediate CVE-2021-35043, upgrade the affected package to a fixed version below.
- Debian/libowasp-antisamy-java—no fix listed
- —upgrade to 1.6.4 or later
Is CVE-2021-35043 being exploited?
Low — EPSS is 1.5%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0
- >= 1.5.7, < 1.6.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |