CVE-2022-23049

medium

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.

References

https://github.com/exponentcms/exponent-cms/issues/1546

https://fluidattacks.com/advisories/cobain/

https://exponentcms.lighthouseapp.com/projects/61783/tickets/1461

Details

Source: Mitre, NVD

Published: 2022-02-09

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 3.5

Vector: CVSS2#AV:N/AC:M/Au:S/C:N/I:P/A:N

Severity: Low

CVSS v3

Base Score: 5.4

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

Severity: Medium

EPSS

EPSS: 0.00833