CVE-2026-21430

Critical

Description

Emlog is an open source website building system. In version 2.5.23, article creation functionality is vulnerable to cross-site request forgery (CSRF). This can lead to a user being forced to post an article with arbitrary, attacker-controlled content. This, when combined with stored cross-site scripting, leads to account takeover. As of time of publication, no known patched versions are available.

SeverityCritical
CVSS9.3
Exploit probability—
ProductEmlog
PublishedJan 2, 2026
First seenJan 2, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
emlog emlog2.5.23—

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