CVE-2026-21431

MEDIUM

Emlog - XSS

Title source: rule
STIX 2.1

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.

References (1)

Core 1
Core References
Exploit, Vendor Advisory x_refsource_confirm
https://github.com/emlog/emlog/security/advisories/GHSA-9vc2-crhr-248x

Scores

CVSS v3 5.4
EPSS 0.0005
EPSS Percentile 16.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
emlog/emlog 2.5.23
Published Jan 02, 2026
Tracked Since Feb 18, 2026