6.1

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2025-29573

CVE-2025-29573: Mezzanine CMS Cross-Site Scripting (XSS) vulnerability

Cross-Site Scripting (XSS) vulnerability exists in Mezzanine CMS 6.0.0 in the "View Entries" feature within the Forms module.

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2025-29573

CVE-2025-29573:

6.1

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

Package Name	Ecosystem	Vulnerable Versions	First Patched Version
Mezzanine	pip	<= 6.0.0

Technical Details

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Root Cause Analysis

The vulnerability description and the squadappsec.com advisory clearly point to an XSS issue in the 'View Entries' feature of the Forms module in Mezzanine CMS. The advisory specifically identifies the vulnerable line of code: field_value = mark_safe('<a href="%s">%s</a>' % parts) within mezzanine/forms/forms.py. By fetching the content of this file, I located this line within the rows method of the EntriesForm class. This method is responsible for preparing form entry data for display. The mark_safe function is used with user-supplied data (the filename) without prior sanitization, which is a classic XSS vulnerability pattern. The filename is part of the parts variable, specifically split(field_entry.value)[1]. This makes the mezzanine.forms.forms.EntriesForm.rows function the direct location of the vulnerability.

Vulnerable functions

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WAF Protection Rules

WAF Rule

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Reasoning

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