Shaarli is a personal bookmarking service. Prior to version 0.16.0, crafting a malicious tag which starting with `"` prematurely ends the `<input>` tag on the start page and allows an attacker to add arbitrary html leading to a possible XSS attack. Version 0.16.0 fixes the issue.
https://github.com/shaarli/Shaarli/security/advisories/GHSA-g3xq-mj52-f8pg
https://github.com/shaarli/Shaarli/commit/b854c789289c4b0dfbb7c1e5793bae7d8f94e063
Published: 2026-01-26
Updated: 2026-01-27
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Severity: Medium
Base Score: 5.3
Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Severity: Medium
EPSS: 0.0002