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().
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2025-32873US | medium5.3 | Exploit | ||
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-serv… | ||||
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references
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2025/05/07/1ADVISORY
- https://docs.djangoproject.com/en/dev/releases/security/ARTICLE
- https://groups.google.com/g/django-announceDISCUSSION
- https://nvd.nist.gov/vuln/detail/CVE-2025-32873WEB
- https://www.djangoproject.com/weblog/2025/may/07/security-releases/ADVISORY
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