CVE-2026-22192

medium

Description

wpDiscuz before 7.6.47 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious JavaScript by importing a crafted options file with unescaped customCss field values. Attackers can supply a malicious JSON import file containing script payloads in the customCss parameter that execute on every page when rendered through the options handler without proper sanitization.

References

https://www.vulncheck.com/advisories/wpdiscuz-before-stored-cross-site-scripting-via-malicious-options-import

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: 6.3

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

Severity: Medium

EPSS

EPSS: 0.00029