CVE-2025-59424 LinkAce Vulnerable to Stored XSS on the Audit Page
An authenticated attacker can inject malicious scripts via their username, which execute in administrators' browsers when viewing the audit log.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-59424?
CVE-2025-59424 is a high-severity cross-site scripting vulnerability in Kovah LinkAce, published on 18 Sep 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
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 before it is rendered in the audit log. An authenticated attacker can set a malicious JavaScript payload as their username. When an action performed by this user is recorded (e.g., generate or revoke an API token), the payload is stored in the database. The script is then executed in the browser of any user, particularly administrators, who views the /system/audit page. This vulnerability is fixed in 2.3.1.
Weakness: CWE-79
Which versions are affected by CVE-2025-59424?
It affects 1 product.
Products include Linkace Linkace.
How do I fix CVE-2025-59424?
No fix has been published for CVE-2025-59424 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-59424 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-59424 exists.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Kovah LinkAce
- CVE-2026-27458 LinkAce: Stored XSS in Atom Feed via CDATA Escape in List Description
- CVE-2025-62722 LinkAce: Stored XSS Vulnerability in Link Title Field Through Social Media Sharing Feature
- CVE-2026-33953 LinkAce's SSRF protection can be bypassed via internal hostname resolution in LinkAce
- CVE-2025-53838 LinkAce has a Stored One Click XSS vulnerability
- CVE-2026-30953 LinkAce affected by SSRF via link creation: NoPrivateIpRule not applied to LinkStoreRequest
Sources
Also known as GHSA-289g-9gff-p4wh.