CVE-2026-21431CWE-79

Emlog vulnerable to stored Cross-site Scripting via image name

Low · published January 2, 2026

CVSS v4.0
2.0
EPSS
0%
Percentile
8.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
2.0 · LOW
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
EPSS
0.00197 · 8.9th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-01-02T18:49Z
EPSS history
Timeline
  • 02 JAN 18:49Z
    Emlog vulnerable to stored Cross-site Scripting via image name
    cvelistv5