What is CVE-2025-59424?

CVE-2025-59424 is a high-severity vulnerability in Kovah Linkace, classified under Cross-site Scripting. CVSS score: 7.3/10. Published 2025-09-18.

How severe is CVE-2025-59424?

High severity. CVSS v3 base score is 7.3 out of 10.

Is CVE-2025-59424 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Kovah Linkace

CVE-2025-59424

LinkAce is a self-hosted archive to collect website links. Prior to 2.3.1, a Stored Cross-Site Scripting (XSS) vulnerability has been identified on the /system/audit page. The application fails to properly sanitize the username field befor…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (22.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N.

Affected products

Kovah Linkace — versions < 2.3.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

https://github.com/Kovah/LinkAce/security/advisories/GHSA-289g-9gff-p4wh (x_refsource_CONFIRM)
https://github.com/Kovah/LinkAce/commit/c0d21b974b32f1ca2fab550fb476c573a068e196 (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-59424?: CVE-2025-59424 is a high-severity vulnerability in Kovah Linkace, classified under Cross-site Scripting. CVSS score: 7.3/10. Published 2025-09-18.
How severe is CVE-2025-59424?: High severity. CVSS v3 base score is 7.3 out of 10.
Is CVE-2025-59424 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.