CVE-2026-22183

medium

Description

wpDiscuz before 7.6.47 contains a stored cross-site scripting vulnerability in the inline comment preview functionality that allows authenticated users to inject malicious scripts by submitting comments with unescaped content. Attackers with unfiltered_html capabilities can inject JavaScript directly through comment content rendered in the AJAX response from the getLastInlineComments() function in class.WpdiscuzHelperAjax.php without proper HTML escaping.

References

https://www.vulncheck.com/advisories/wpdiscuz-before-stored-cross-site-scripting-in-inline-comment-preview

https://wordpress.org/plugins/wpdiscuz/#developers

https://wordpress.org/plugins/wpdiscuz/

Details

Source: Mitre, NVD

Published: 2026-03-13

Updated: 2026-03-17

Risk Information

CVSS v2

Base Score: 5.5

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

Severity: Medium

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

CVSS v4

Base Score: 5.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Severity: Medium

EPSS

EPSS: 0.00029