CVE-2022-37721

Name: CVE-2022-37721
Creator: NVD / NIST
Published: 2022-11-25T17:15:10.707+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9/10EPSS 0.70%

Last modified Jun 17, 2026

CVE-2022-37721 is a critical-severity vulnerability rated 9/10 on the CVSS scale. PyroCMS 3.9 is vulnerable to a stored Cross Site Scripting (XSS_ when a low privileged user such as an author, injects a crafted html and javascript payload in a blog post, leading to full admin account takeover or privilege escalation.. EPSS estimates a 0.70% chance of exploitation in the next 30 days.

Description

PyroCMS 3.9 is vulnerable to a stored Cross Site Scripting (XSS_ when a low privileged user such as an author, injects a crafted html and javascript payload in a blog post, leading to full admin account takeover or privilege escalation.

Metrics

CVSS 3.1

9/10

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

EPSS Probability

0.70%

48.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Pyrocms	Pyrocms	3.9

References

http://pyrocms.comProduct
https://labs.integrity.pt/advisories/cve-2022-37721/Third Party Advisory
http://pyrocms.comProduct
https://labs.integrity.pt/advisories/cve-2022-37721/Third Party Advisory

Timeline

Published: Nov 25, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-37721?

How severe is CVE-2022-37721?

CVE-2022-37721 has a CVSS score of 9/10 (CRITICAL severity). The EPSS model estimates a 0.70% probability of exploitation in the next 30 days.

How do I fix CVE-2022-37721?

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-2022-37721?

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

Scan your code now

Source: NVD / NIST