CVE-2026-24045 Docmost Affected by Stored XSS in Public Share Page

What is CVE-2026-24045?

CVE-2026-24045 is a high-severity cross-site scripting vulnerability in docmost, published on 10 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

Docmost is open-source collaborative wiki and documentation software. From 0.20.0 and before 0.25.0, the public share page functionality in Docmost does not properly HTML-escape page titles before inserting them into meta tags and the title tag. This allows Stored Cross-Site Scripting (XSS) attacks, where an attacker can execute arbitrary JavaScript in the context of any user who opens a shared page link. This vulnerability is fixed in 0.25.0.

Weakness: CWE-79

Which versions are affected by CVE-2026-24045?

It affects 1 product.

Products include Docmost Docmost.

How do I fix CVE-2026-24045?

No fix has been published for CVE-2026-24045 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-2026-24045 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-24045 exists.

Other vulnerabilities in docmost

• CVE-2026-22249 Docmost affected by an Arbitrary File Write via Zip Import Feature (ZipSlip) High 7.1
• CVE-2026-23630 Docmost is vulnerable to stored Cross-Site Scripting (XSS) through Mermaid rendering Medium 6.3
• CVE-2025-55574 Cross-site scripting in n/a Medium 6.1
• CVE-2026-40927 Docmost: XSS in Comments with JavaScript URI Medium 5.4
• CVE-2026-34212 Docmost page content has stored XSS via unsanitized attachment URLs Medium 5.4

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-h7fp-4f37-29wq.