CVE-2021-44649

Name: CVE-2021-44649
Creator: NVD / NIST
Published: 2022-01-12T13:15:07.737+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.62%

Last modified Jun 17, 2026

CVE-2021-44649 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Django CMS 3.7.3 does not validate the plugin_type parameter while generating error messages for an invalid plugin type, resulting in a Cross Site Scripting (XSS) vulnerability. The vulnerability allows an attacker to execute arbitrary JavaScript code in the web browser of the affected user.. EPSS estimates a 0.62% chance of exploitation in the next 30 days.

Description

Django CMS 3.7.3 does not validate the plugin_type parameter while generating error messages for an invalid plugin type, resulting in a Cross Site Scripting (XSS) vulnerability. The vulnerability allows an attacker to execute arbitrary JavaScript code in the web browser of the affected user.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.62%

45.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Django-Cms	Django Cms	>= 3.4.0, < 3.4.7
Django-Cms	Django Cms	>= 3.5.0, < 3.5.4
Django-Cms	Django Cms	>= 3.6.0, < 3.6.1
Django-Cms	Django Cms	>= 3.7.0, < 3.7.4

References

https://sahildhar.github.io/blogpost/Django-CMS-Reflected-XSS-Vulnerability/Exploit, Third Party Advisory
https://www.django-cms.org/en/blog/2020/07/22/django-cms-security-updates-1/Vendor Advisory
https://sahildhar.github.io/blogpost/Django-CMS-Reflected-XSS-Vulnerability/Exploit, Third Party Advisory
https://www.django-cms.org/en/blog/2020/07/22/django-cms-security-updates-1/Vendor Advisory

Timeline

Published: Jan 12, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-44649?

How severe is CVE-2021-44649?

CVE-2021-44649 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.

How do I fix CVE-2021-44649?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-44649?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST