vulnerability
WordPress Plugin: wp-discourse: CVE-2025-11983: Exposure of Sensitive Information to an Unauthorized Actor
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:N/AC:L/Au:S/C:P/I:N/A:N) | Oct 31, 2025 | Nov 3, 2025 | Nov 3, 2025 |
Severity
4
CVSS
(AV:N/AC:L/Au:S/C:P/I:N/A:N)
Published
Oct 31, 2025
Added
Nov 3, 2025
Modified
Nov 3, 2025
Description
The WP Discourse plugin for WordPress is vulnerable to Information Exposure in all versions up to, and including, 2.5.9. This is due to the plugin unconditionally sending Discourse API credentials (Api-Key and Api-Username headers) to any host specified in a post's discourse_permalink custom field during comment synchronization. This makes it possible for authenticated attackers, with author-level access and above, to exfiltrate sensitive Discourse API credentials to attacker-controlled servers, as well as query internal services and potentially perform further attacks.
Solution
wp-discourse-plugin-cve-2025-11983
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