CVE-2025-50481

MEDIUM

Mezzanine CMS 6.1.0 - Stored Cross-Site Scripting via Blog Post Injection

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 2 public exploits for CVE-2025-50481. PoCs published by Kevin Dicks, kevinpdicks.

AI-analyzed exploit summary This exploit demonstrates a stored XSS vulnerability in Mezzanine CMS 6.1.0 via the /blog/blogpost/add component. Attackers can inject malicious JavaScript into a blog post, which executes when viewed by other users.

Description

A cross-site scripting (XSS) vulnerability in the component /blog/blogpost/add of Mezzanine CMS v6.1.0 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into a blog post.

Exploits (2)

exploitdb WORKING POC
by Kevin Dicks · textwebappsmultiple
https://www.exploit-db.com/exploits/52385

This exploit demonstrates a stored XSS vulnerability in Mezzanine CMS 6.1.0 via the /blog/blogpost/add component. Attackers can inject malicious JavaScript into a blog post, which executes when viewed by other users.

Classification
Working Poc 95%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Mezzanine CMS 6.1.0
Auth required
Prerequisites: Admin access to the Mezzanine CMS admin portal
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WRITEUP 1 stars
by kevinpdicks · poc
https://github.com/kevinpdicks/Mezzanine-CMS-6.1.0-XSS

This repository provides a detailed technical analysis of a stored XSS vulnerability in Mezzanine CMS v6.1.0, including step-by-step exploitation via crafted blog posts. It includes screenshots and confirms the vulnerability's impact while noting limitations (e.g., HttpOnly cookies prevent session hijacking).

Classification
Writeup 95%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Mezzanine CMS 6.1.0
Auth required
Prerequisites: Authenticated access to the CMS blog post creation functionality
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 4.8
EPSS 0.0028
EPSS Percentile 52.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (2)
jupo/mezzanine 6.1.0
pypi/Mezzanine 0 - 6.1.0PyPI
Published Jul 23, 2025
Tracked Since Feb 18, 2026