CVE-2025-62722 LinkAce: Stored XSS Vulnerability in Link Title Field Through Social Media Sharing Feature

High 8.7 Published 4 Nov 2025 Updated 5 Nov 2025

Authenticated users can inject malicious JavaScript via link titles, leading to session hijacking or malware delivery when others view the link details.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-62722?

CVE-2025-62722 is a high-severity cross-site scripting vulnerability in Kovah LinkAce, published on 4 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

LinkAce is a self-hosted archive to collect website links. In versions 2.3.1 and below, the social media sharing functionality contains a Stored Cross-Site Scripting (XSS) vulnerability that allows any authenticated user to inject arbitrary JavaScript by creating a link with malicious HTML in the title field. When a user views the link details page and the shareable links are rendered, the malicious JavaScript executes in their browser. This vulnerability affects multiple sharing services and can be exploited to steal session cookies, perform actions on behalf of users, or deliver malware. This issue is fixed in version 2.4.0.

Weakness: CWE-79

Which versions are affected by CVE-2025-62722?

It affects 1 product.

Products include Linkace Linkace.

How do I fix CVE-2025-62722?

No fix has been published for CVE-2025-62722 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-2025-62722 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-62722 exists.

Sources

Also known as GHSA-4mxh-7c7f-q79j.