CVE-2026-21431

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 v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://github.com/emlog/emlog/security/advisories/GHSA-9vc2-crhr-248x	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:emlog:emlog:2.5.23:*:*:*:pro:*:*:*

History

16 Jan 2026, 17:13

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.4
First Time		Emlog emlog Emlog
CPE		cpe:2.3:a:emlog:emlog:2.5.23::::pro:::
References	~~() https://github.com/emlog/emlog/security/advisories/GHSA-9vc2-crhr-248x -~~	() https://github.com/emlog/emlog/security/advisories/GHSA-9vc2-crhr-248x - Exploit, Vendor Advisory

02 Jan 2026, 19:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-02 19:15

Updated : 2026-01-16 17:13

NVD link : CVE-2026-21431

Mitre link : CVE-2026-21431

CVE.ORG link : CVE-2026-21431

JSON object : View

Products Affected

emlog

emlog

CWE

CWE-79

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

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