# Discussion Board <= 2.6.0 - Authenticated (Subscriber+) Stored Cross-Site Scripting via Profile Website Field

- **ID:** WPSEC-2026-1592
- **Plugin:** Discussion Board – WordPress Forum Plugin (`wp-discussion-board`), https://wordpress.org/plugins/wp-discussion-board/
- **Affected versions:** from 2.2.1 before 2.6.1
- **Fixed in:** 2.6.1 (Update to 2.6.1 or later.)
- **Severity:** Medium 6.4 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N)
- **Weakness:** CWE-79
- **Usage among sites WPSec scans:** plugin Low, affected versions Low (as of 2026-10-25)
- **Attack surface analysis:** https://attacksurface.wpsec.com/plugin/wp-discussion-board
- **Fix released:** 2026-10-23
- **Published:** 2026-10-24
- **URL:** https://wpsec.com/vuln/WPSEC-2026-1592/

## Description

The Discussion Board plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the user profile Website field in all versions from 2.2.1 up to, and including, 2.6.0, due to insufficient output escaping of the user URL when the plugin builds reply author links for discussion topics. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts that will execute whenever a user views a discussion topic that contains a reply by the attacker.

## References

- https://wpsec.com/vuln/WPSEC-2026-1592/
- https://plugins.svn.wordpress.org/wp-discussion-board/tags/2.6.1/
- https://wordpress.org/plugins/wp-discussion-board/

Source: WPSec, https://wpsec.com/vuln/WPSEC-2026-1592/

License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Free to use, share and adapt, also commercially, if you credit WPSec and link to this advisory.