CVE-2025-62722: linkace XSS — Exploit & Fix

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.

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CVSS v3.1 Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
linkace	linkace	< 2.4.0

References

Advisories & Patches

https://github.com/Kovah/LinkAce/commit/95d29b71ad9d4750cff8bbe7488802f6a4afa6aa https://github.com/Kovah/LinkAce/security/advisories/GHSA-4mxh-7c7f-q79j https://github.com/Kovah/LinkAce/security/advisories/GHSA-4mxh-7c7f-q79j

Exploits

https://github.com/Kovah/LinkAce/security/advisories/GHSA-4mxh-7c7f-q79j https://github.com/Kovah/LinkAce/security/advisories/GHSA-4mxh-7c7f-q79j

Other References

https://github.com/Kovah/LinkAce/releases/tag/v2.4.0

Frequently Asked Questions

What is CVE-2025-62722? +

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. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2025-62722? +

CVE-2025-62722 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-62722? +

CVE-2025-62722 affects products from linkace, specifically: linkace. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-62722? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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