CVE detail
CVE-2026-53674
BuddyPress 14.4.0 contains a regular expression injection vulnerability in the activity mention resolver that, when username compatibility mode is enabled, allows attackers to manipulate a REGEXP database clause by crafting mention names containing regex metacharacters. Attackers can submit @mentions whose metacharacters pass through esc_sql unescaped and are inserted into an unprepared REGEXP query against the users table, enabling boolean-based inference of usernames and denial of service through catastrophic backtracking.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 13.9 · diversity 15.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
3 source links · newest first
- https://www.vulncheck.com/advisories/buddypress-regexp-injection-via-mention-username-resolutionwww.vulncheck.com
No excerpt available.
Exploitwww.vulncheck.comJun 10, 2026, 12:16 AM - https://wordpress.org/plugins/buddypress/wordpress.org
No excerpt available.
Release Noteswordpress.orgJun 10, 2026, 12:16 AM - https://buddypress.org/buddypress.org
No excerpt available.
referencebuddypress.orgJun 10, 2026, 12:16 AM
Exploit code
Public exploit repository references
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0 repository references · best confidence N/A · max 0 stars
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