Information disclosure in bbPress via BuddyPress activity stream
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-863.
Summary
bbPress before 2.6.19 lets unauthenticated visitors view posts from restricted subforums because hide_sitewide ignores the visibility of ancestor forums. Topics and replies in public subforums nested under private or hidden parents expose their title, permalink and body through the BuddyPress activity stream and the REST endpoint. An unauthenticated remote attacker can read this content without any user interaction, and the flaw is classified as incorrect authorization (CWE-863).
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
bbPress before 2.6.19 contains an information disclosure vulnerability that allows unauthenticated visitors to view restricted subforum posts because hide_sitewide ignores ancestor forum visibility. Topics and replies in public subforums nested under private or hidden parents expose title, permalink and body via the BuddyPress activity stream and REST endpoint.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
Update bbPress to version 2.6.19 or later, which fixes the flaw. CISA does not list this vulnerability in its Known Exploited Vulnerabilities catalog.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
- Fix · CNA bbPress (bbPress) Fixed in 2.6.19
Timeline
- 2026-10-15 Threatist record created from CVE-2026-110762
References
More bbPress vulnerabilities
- TI-2020-10740 An unauthenticated privilege-escalation issue exists in the bbPress plugin before 2.6.5… CVSS 3.1CRITICAL 9.8
- TI-2007-03140 SQL injection vulnerability in bb-includes/formatting-functions.php in bbPress before… CVSS 2.0HIGH 7.5
- TI-2011-01003 bbPress through 1.0.2 has XSS in /bb-login.php url via the re parameter. CVSS 3.1MEDIUM 6.1
- TI-2011-03267 bbPress 1.0.2 allows remote attackers to obtain sensitive information via a direct… CVSS 2.0MEDIUM 5.0
- TI-2020-10577 The bbPress plugin through 2.6.4 for WordPress has stored XSS in the Forum creation… CVSS 3.1MEDIUM 4.8
- TI-2007-03139 Cross-site scripting (XSS) vulnerability in bb-login.php in bbPress 0.8.1 allows remote… CVSS 2.0MEDIUM 4.3
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences