CVE-2025-11983: WP Discourse · Information Exposure
Affects WP DiscourseSource CVE Database V5
Not known to be exploited · CVSS 4.3 Medium.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 18% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 1 Nov 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| scossar WP Discourse | Affected
| Fixed in– |
AI-suggested
Until an official fix is available, restrict author-level access to trusted users only and monitor for suspicious activity related to API credential exposure. Avoid using untrusted or user-supplied discourse_permalink values. Follow vendor updates closely for any released patches or official mitigations.
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.
References
- wordfence.com/threat-intel/vulnerabilities/id/6b1524f3-1c59-49a1-bbe3-94dcfd232b1d?source=cve (opens in a new tab)
- plugins.trac.wordpress.org/browser/wp-discourse/tags/2.5.9/lib/discourse-comment.php (opens in a new tab)
- plugins.trac.wordpress.org/browser/wp-discourse/tags/2.5.9/lib/discourse-comment.php (opens in a new tab)
- plugins.trac.wordpress.org/browser/wp-discourse/tags/2.5.9/lib/plugin-utilities.php (opens in a new tab)
- plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3384149%40wp-discourse&new=3384149%40wp-discourse&sfp_email=&sfph_mail= (opens in a new tab)