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Vulnerability record · CVE-2022-37721 · published 25 November 2022

CVE-2022-37721: Pyrocms cross-site scripting vulnerability

Pyrocms · Pyrocms

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.

9.0 CVSS 3.1 Critical EPSS 0.75% · top 46.8% CWE-79 · Cross-site scripting
9.0CVSS 3.1 base score
0.75%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
9 Jul 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://labs.integrity.pt/advisories/cve-2022-37721/ Third Party Advisory
https://labs.integrity.pt/advisories/cve-2022-37721/ Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-29689PyroCMS 3.9 server-side template injection leads to remote code executionPyroCMS 3.9 contains a server-side template injection (SSTI) flaw that allows an attacker to inject and execute arbitrary commands on the server. The…EPSS 53%analysed7.1CVE-2020-25263Pyrocms cross-site request forgery vulnerabilityPyroCMS 3.7 is vulnerable to cross-site request forgery (CSRF) via the admin/addons/uninstall/anomaly.module.blocks URI: an arbitrary plugin will be …EPSS 0.60%6.1CVE-2022-35118Pyrocms cross-site scripting vulnerabilityPyroCMS v3.9 was discovered to contain multiple cross-site scripting (XSS) vulnerabilities.EPSS 0.51%5.3CVE-2024-58297Pyrocms cross-site scripting vulnerabilityPyroCMS v3.0.1 contains a stored cross-site scripting vulnerability in the admin redirects configuration that allows attackers to inject malicious sc…EPSS 0.26%4.3CVE-2020-25262Pyrocms cross-site request forgery vulnerabilityPyroCMS 3.7 is vulnerable to cross-site request forgery (CSRF) via the admin/pages/delete/ URI: pages will be deleted.EPSS 0.53%6.1CVE-2026-42897Microsoft Exchange Server XSS enables spoofingMicrosoft Exchange Server and Exchange Server Subscription Edition fail to neutralize input during web page generation, a cross-site scripting flaw (…KEVEPSS 0.52%analysed6.1CVE-2025-48700Zimbra Classic UI stored XSS via crafted email HTMLZimbra Collaboration Suite Classic UI fails to properly sanitize HTML content in email messages, allowing crafted tag structures and attribute values…KEVEPSS 1.7%analysed6.1CVE-2025-66376Zimbra Collaboration Classic UI stored XSS via CSS @import in emailZimbra Collaboration Suite 10 before 10.0.18 and 10.1 before 10.1.13 allows stored cross-site scripting in the Classic UI through CSS @import directi…KEVEPSS 20%analysed

Source: NIST National Vulnerability Database (record CVE-2022-37721), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.