CVE-2025-55291
7.1
HIGH
CVSS 3.1
EPSS 0.03%
Description
Shaarli is a minimalist bookmark manager and link sharing service. Prior to 0.15.0, the input string in the cloud tag page is not properly sanitized. This allows the </title> tag to be prematurely closed, leading to a reflected Cross-Site Scripting (XSS) vulnerability. This vulnerability is fixed in 0.15.0.
How to fix CVE-2025-55291
To remediate CVE-2025-55291, upgrade the affected package to a fixed version below.
- Debian/shaarli—upgrade to 0.12.1+dfsg-8+deb12u1 or later
Is CVE-2025-55291 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 0.12.1+dfsg-8+deb12u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.1 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N |