CVE-2026-21430 | THREATINT

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.

PUBLISHED Reserved 2025-12-29 | Published 2026-01-02 | Updated 2026-01-05 | Assigner GitHub_M

HIGH: 7.0CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N/E:P

Problem types

CWE-352: Cross-Site Request Forgery (CSRF)

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

= 2.5.23

affected

References

github.com/.../emlog/security/advisories/GHSA-2g2w-vmg7-pq4q

cve.org (CVE-2026-21430)

nvd.nist.gov (CVE-2026-21430)

Download JSON