CVE-2026-53674 - CERT CVE
ID CVE-2026-53674
Sažetak 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.
Reference
CVSS
Base: 7.1
Impact: 4.2
Exploitability:2.8
Pristup
VektorSloženostAutentikacija
NETWORK LOW LOW
Impact
PovjerljivostCjelovitostDostupnost
LOW NONE HIGH
CVSS vektor CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H
Zadnje važnije ažuriranje 10-06-2026 - 00:16
Objavljeno 10-06-2026 - 00:16