Vulnerability · Published Aug 18, 2025 · Assigned by GitHub_M
CVE-2025-55291Shaarli allows reflected XSS via searchtags parameter
High 7.1
In plain English
A high-severity cross-site scripting in Shaarli from shaarli. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | shaarli | 0.12.1+dfsg-8+deb12u1 | DEBIAN-CVE-2025-55291 |
| Debian:13 | shaarli | 0.14.0+dfsg-2 | DEBIAN-CVE-2025-55291 |
Affected products (as reported)
Weakness: CWE-80, CWE-87, CWE-79 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N