CVE-2022-23049

Name: CVE-2022-23049
Creator: NVD / NIST
Published: 2022-02-09T23:15:19.607+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 2.99%

Last modified Jun 17, 2026

CVE-2022-23049 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Exponent CMS 2.6.0patch2 allows an authenticated user to inject persistent JavaScript code on the "User-Agent" header when logging in. When an administrator user visits the "User Sessions" tab, the JavaScript will be triggered allowing an attacker to compromise the administrator session.. EPSS estimates a 2.99% chance of exploitation in the next 30 days.

Description

Exponent CMS 2.6.0patch2 allows an authenticated user to inject persistent JavaScript code on the "User-Agent" header when logging in. When an administrator user visits the "User Sessions" tab, the JavaScript will be triggered allowing an attacker to compromise the administrator session.

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

2.99%

85.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions	Update
Exponentcms	Exponent Cms	2.6.0	Patch2

References

https://exponentcms.lighthouseapp.com/projects/61783/tickets/1461Exploit, Issue Tracking, Vendor Advisory
https://fluidattacks.com/advisories/cobain/Exploit, Issue Tracking, Third Party Advisory
https://github.com/exponentcms/exponent-cms/issues/1546Exploit, Issue Tracking, Third Party Advisory
https://exponentcms.lighthouseapp.com/projects/61783/tickets/1461Exploit, Issue Tracking, Vendor Advisory
https://fluidattacks.com/advisories/cobain/Exploit, Issue Tracking, Third Party Advisory
https://github.com/exponentcms/exponent-cms/issues/1546Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Feb 9, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-23049?

How severe is CVE-2022-23049?

CVE-2022-23049 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 2.99% probability of exploitation in the next 30 days.

How do I fix CVE-2022-23049?

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-2022-23049?

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

Scan your code now

Source: NVD / NIST