CVE-2026-21430

CRITICAL
2026-01-02 [email protected]
9.3
CVSS 3.1
Share

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 16, 2026 - 19:07 vuln.today
Public exploit code
CVE Published
Jan 02, 2026 - 19:15 nvd
CRITICAL 9.3

Tags

XSS CSRF Emlog

Description

Emlog is an open source website building system. In version 2.5.23, article creation functionality is vulnerable to cross-site request forgery (CSRF). This can lead to a user being forced to post an article with arbitrary, attacker-controlled content. This, when combined with stored cross-site scripting, leads to account takeover. As of time of publication, no known patched versions are available.

Analysis

Emlog 2.5.23 is vulnerable to CSRF in article creation, which chains with stored XSS to achieve account takeover. An attacker can force an admin to create an article containing malicious JavaScript that steals their session. …

Sign in for full analysis, threat intelligence, and remediation guidance.

Remediation

Within 24 hours: Identify all affected systems and apply vendor patches immediately. Verify anti-CSRF tokens and content security policies are enforced.

Sign in for detailed remediation steps.

Full analysis requires sign-in

Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

Sign in - Free

Priority Score

67
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +46
POC: +20

Share

CVE-2026-21430 vulnerability details – vuln.today
Back

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy