CVE-2026-24045
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Stored XSS in Docmost Public Share Page Meta Tags

Publication date: 2026-02-10

Last updated on: 2026-04-14

Assigner: GitHub, Inc.

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.
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Meta Information
Published
2026-02-10
Last Modified
2026-04-14
Generated
2026-06-16
AI Q&A
2026-02-10
EPSS Evaluated
2026-06-14
NVD
CVE-2026-24045
EUVD
EUVD-2026-6768
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
docmost docmost From 0.20.0 (inc) to 0.25.0 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
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Executive Summary

This vulnerability exists in Docmost, an open-source collaborative wiki and documentation software. Versions before 0.25.0 have a flaw in the public share page functionality where page titles are not properly HTML-escaped before being inserted into meta tags and the title tag.

Because of this improper escaping, an attacker can inject malicious JavaScript code that will be stored and executed whenever any user opens a shared page link. This type of attack is known as Stored Cross-Site Scripting (XSS).

The vulnerability was fixed in version 0.25.0 of Docmost.

Impact Analysis

This vulnerability allows attackers to execute arbitrary JavaScript code in the context of users who open a shared page link in Docmost.

Such execution can lead to theft of sensitive information, session hijacking, or performing actions on behalf of the user without their consent.

The CVSS score of 7.3 indicates a high severity impact on confidentiality and integrity, though availability is not affected.

Compliance Impact

I don't know

Detection Guidance

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Mitigation Strategies

To mitigate this vulnerability, upgrade Docmost to version 0.25.0 or later, where the issue with improper HTML-escaping of page titles has been fixed.

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