CVE-2026-21431

Emlog vulnerable to stored Cross-site Scripting via image name

CVSS 2 LOWEPSS 0.2%CWE-79

Vexday Risk Score

8Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 2EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

02 Jan 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

emlog · emlog

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References

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