CVE-2025-8483

Discussion Board – WordPress Forum Plugin <= 2.5.5 - Authenticated (Subscriber+) Arbitrary Shortcode Execution

6.3 Medium

The The Discussion Board – WordPress Forum Plugin plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 2.5.5. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for authenticated attackers, with Subscriber-level access and above, to execute arbitrary shortcodes.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.26%Up 0.2 points since Oct 25, 2025

What each source reports

CVE List Score used 6.3

Discussion Board – WordPress Forum Plugin <= 2.5.5 - Authenticated (Subscriber+) Arbitrary Shortcode Execution

Record: CVE-2025-8483
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness: CWE-94
Updated: 2026-11-02

EUVDEUVD-2025-35923 6.3

Record: EUVD-2025-35923
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-55h9-mwx6-3v4g 6.3

The The Discussion Board – WordPress Forum Plugin plugin for WordPress is vulnerable to arbitrary...

Record: GHSA-55h9-mwx6-3v4g
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness: CWE-94
Updated: 2026-11-02

NVD 6.3

Record: CVE-2025-8483
CVSS 3.1: 6.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Weakness: CWE-94
Updated: 2026-11-02

Affected products

marketingfire discussion board – wordpress forum plugin

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-8483 is a medium vulnerability (CVSS 6.3) in Marketingfire Discussion Board – Wordpress Forum Plugin, published October 25, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 18th percentile. No source names a fixed version.