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The vulnerability stems from: 1) GitHub issue #1921 explicitly mentions description_from_content in core/models.py line 184 as the root cause 2) The template blog/blog_post_list.html line 112 uses {{ blog_post.description_from_content|safe }} which renders unsanitized content 3) The XSS triggers when user-controlled Title field content (containing SVG payload) flows through description_from_content to the template without proper escaping. The method's output is marked as safe HTML despite containing untrusted input.
| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| Mezzanine | pip | <= 6.0.0 |
KEV Misses 88% of Exploited CVEs- Get the report