An issue was discovered in Django 4.2 before 4.2.21, 5.1 before 5.1.9, and 5.2 before 5.2.1. The django.utils.html.strip_tags() function is vulnerable to a potential denial-of-service (slow performance) when processing inputs containing large sequences of incomplete HTML tags. The template filter striptags is also vulnerable, because it is built on top of strip_tags().
CVE ID: CVE-2025-32873
CVSS Base Severity: MEDIUM
CVSS Base Score: 5.3
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Vendor: djangoproject
Product: Django
EPSS Score: 0.02% (probability of being exploited)
EPSS Percentile: 4.0% (scored less or equal to compared to others)
EPSS Date: 2025-06-06 (when was this score calculated)