CVE-2026-21431 LOW

CVE-2026-21431: Emlog vulnerable to stored Cross-site Scripting via image name

Vendor Emlog
Product emlog
Weakness CWE-79 · XSS
Published January 2, 2026
Last update January 5, 2026
View on NVD All CVEs

CVSS base score

2.0/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction —
Confidentiality —
Integrity —

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

January 2, 2026 CVE published
January 5, 2026 Record updated