Cyber Resilience

CVE-2023-43665

High

Published: 03 November 2023

Published
03 November 2023
Modified
04 November 2025
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0279 86.4th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-43665 is a high-severity Improper Validation of Specified Quantity in Input (CWE-1284) vulnerability in Djangoproject Django. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 13.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

In Django 3.2 before 3.2.22, 4.1 before 4.1.12, and 4.2 before 4.2.6, the django.utils.text.Truncator chars() and words() methods (when used with html=True) are subject to a potential DoS (denial of service) attack via certain inputs with very long, potentially malformed…

more

HTML text. The chars() and words() methods are used to implement the truncatechars_html and truncatewords_html template filters, which are thus also vulnerable. NOTE: this issue exists because of an incomplete fix for CVE-2019-14232.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

djangoproject
django
3.2 — 3.2.22 · 4.1 — 4.1.12 · 4.2 — 4.2.6
fedoraproject
fedora
39

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References