CVE-2026-21430

7.0 highEPSS 0.2%

High (7.0) in emlog emlog. EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

7.0 high

CVSS: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

CVSS 3.1

9.3 critical

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 8% of CVEs (scores of 2026-10-31)
CWEs: CWE-79, CWE-352
Published: 2026-01-02
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

emlog:emlog

References

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

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