CVE-2026-21430CWE-352CWE-79

Emlog: CSRF chained with stored XSS leads to ATO

High · published January 2, 2026

CVSS v4.0
7.0
EPSS
0%
Percentile
7.6
In the wild
Unconfirmed
What it is

⚡ A sneaky CSRF vulnerability in Emlog version 2.5.23 could let attackers hijack your article creation process, forcing you to post whatever they want! Think of it like a malicious prankster slipping a fake menu into a restaurant's order pad, and the kitchen doesn't check it — your unsuspecting patrons end up with a surprise dish that no one ordered! This could lead to users unwittingly posting harmful content on their own websites, resulting in a nightmare scenario of account takeovers and reputational damage. Imagine the chaos when your users realize they're sharing articles they never intended!

Put simply

Think of it like a malicious prankster slipping a fake menu into a restaurant's order pad, and the kitchen doesn't check it — your unsuspecting patrons end up with a surprise dish that no one ordered! The CSRF vulnerability allows attackers to trick users into submitting requests that post articles with malicious, attacker-controlled content to the Emlog site. When combined with stored XSS, it jeopardizes user accounts and site integrity.

What to do

This could lead to users unwittingly posting harmful content on their own websites, resulting in a nightmare scenario of account takeovers and reputational damage. Imagine the chaos when your users realize they're sharing articles they never intended! Although there are no patched versions available yet, it's crucial to educate your users about the risks and encourage them to remain vigilant regarding external links and requests. Consider implementing CSRF tokens and reviewing your site's configuration for additional security measures. You've got this! Stay proactive, and together we can keep the internet a safer place! 🛡️

The record
Technical detail
CVSS v4.0
7.0 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N/E:P
EPSS
0.00185 · 7.6th percentile
Weaknesses
CWE-352 · Cross-Site Request Forgery (CSRF); CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-01-02T18:44Z
EPSS history
Timeline
  • 02 JAN 18:44Z
    Emlog: CSRF chained with stored XSS leads to ATO
    cvelistv5