Description
In Django 3.2 before 3.2.25, 4.2 before 4.2.11, and 5.0 before 5.0.3, the django.utils.text.Truncator.words() method (with html=True) and the truncatewords_html template filter are subject to a potential regular expression denial-of-service attack via a crafted string. NOTE: this issue exists because of an incomplete fix for CVE-2019-14232 and CVE-2023-43665.
Remediation
References
Related Vulnerabilities
WordPress Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2015-5730)
Squid Incorrect Conversion between Numeric Types Vulnerability (CVE-2023-46848)
WordPress Plugin BuddyPress Edit Activity Cross-Site Scripting (1.0.5)
MediaWiki Exposure of Resource to Wrong Sphere Vulnerability (CVE-2021-31554)