wpForo Forum 2.4.14 contains a stored cross-site scripting vulnerability that allows script injection via forum URL data output into an inline script block using json_encode without the JSON_HEX_TAG flag. Attackers set a forum slug containing a closing script tag or unescaped single quote to break out of the JavaScript string context and execute arbitrary script in all visitors' browsers.
History

Wed, 04 Mar 2026 03:00:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:gvectors:wpforo_forum:*:*:*:*:*:wordpress:*:*

Mon, 02 Mar 2026 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Wordpress
Wordpress wordpress
Vendors & Products Wordpress
Wordpress wordpress

Sat, 28 Feb 2026 22:00:00 +0000

Type Values Removed Values Added
Description wpForo Forum 2.4.14 contains a stored cross-site scripting vulnerability that allows script injection via forum URL data output into an inline script block using json_encode without the JSON_HEX_TAG flag. Attackers set a forum slug containing a closing script tag or unescaped single quote to break out of the JavaScript string context and execute arbitrary script in all visitors' browsers.
Title wpForo Forum 2.4.14 Stored XSS via Unsafe JSON Encoding in Inline Script
First Time appeared Gvectors
Gvectors wpforo Forum
Weaknesses CWE-79
CPEs cpe:2.3:a:gvectors:wpforo_forum:*:*:*:*:*:*:*:*
cpe:2.3:a:gvectors:wpforo_forum:2.4.16:*:*:*:*:*:*:*
Vendors & Products Gvectors
Gvectors wpforo Forum
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 4.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-02-28T21:47:40.000Z

Updated: 2026-03-05T01:31:33.706Z

Reserved: 2026-02-28T18:54:23.281Z

Link: CVE-2026-28560

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2026-02-28T22:16:03.137

Modified: 2026-03-04T02:47:02.857

Link: CVE-2026-28560

cve-icon Redhat

No data.