Vulnerability Monitor

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CVE-2025-32873

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().

Published

2025-05-08T04:17:18.157

Last Modified

2025-06-17T19:44:20.957

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

Weaknesses

Type: Secondary
CWE-770

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	djangoproject	django	< 4.2.21	Yes
Application	djangoproject	django	< 5.1.9	Yes
Application	djangoproject	django	5.2	Yes

References

https://docs.djangoproject.com/en/dev/releases/security/ Release Notes ([email protected])
https://groups.google.com/g/django-announce Mailing List ([email protected])
https://www.djangoproject.com/weblog/2025/may/07/security-releases/ Vendor Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2025/05/07/1 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)