What is CVE-2026-24476?

CVE-2026-24476 is a medium-severity vulnerability in Shaarli, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-01-26.

How severe is CVE-2026-24476?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Shaarli

CVE-2026-24476

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (4.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Shaarli — versions < 0.16.0
Shaarli_project Shaarli

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2026-24476?: CVE-2026-24476 is a medium-severity vulnerability in Shaarli, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-01-26.
How severe is CVE-2026-24476?: Medium severity. CVSS v3 base score is 5.4 out of 10.