CVE-2026-21431

Emlog vulnerable to stored Cross-site Scripting via image name

State: Published
Severity: 2.0 Low
Published: Jan 2, 2026
Updated: Jan 5, 2026
Reserved: Dec 29, 2025

Description

Emlog is an open source website building system. Version 2.5.23 has a stored cross-site scripting vulnerability in the `Resource media library ` function while publishing an article. As of time of publication, no known patched versions are available.

Scores

CVSS	Score	Vector	Source
4.0	2.0 Low	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P	GitHub_M

Weaknesses

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

Affected Products

Product	Versions
emlogemlog	= 2.5.23Affected

References

https://github.com/emlog/emlog/security/advisories/GHSA-9vc2-crhr-248x

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