CVE-2026-5144 | boonebgorges BuddyPress Groupblog Plugin up to 1.9.3 on WordPress privileges management

VDB-356954 · CVE-2026-5144 · GCVE-0-2026-5144 BOONEBGORGES BUDDYPRESS GROUPBLOG PLUGIN UP TO 1.9.3 ON WORDPRESS PRIVILEGES MANAGEMENT HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 7.4 $0-$5k 0.11 Summaryinfo A vulnerability labeled as critical has been found in boonebgorges BuddyPress Groupblog Plugin up to 1.9.3 on WordPress. This issue affects some unknown processing. Such manipulation of the argument groupblog-blogid/default-member/groupblog-silent-add leads to privileges management. This vulnerability is traded as CVE-2026-5144. The attack may be launched remotely. There is no exploit available. Detailsinfo A vulnerability was found in boonebgorges BuddyPress Groupblog Plugin up to 1.9.3 on WordPress and classified as critical. Affected by this issue is an unknown part. The manipulation of the argument groupblog-blogid/default-member/groupblog-silent-add with an unknown input leads to a privileges management vulnerability. Using CWE to declare the problem leads to CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes: The BuddyPress Groupblog plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.9.3. This is due to the group blog settings handler accepting the `groupblog-blogid`, `default-member`, and `groupblog-silent-add` parameters from user input without proper authorization checks. The `groupblog-blogid` parameter allows any group admin (including Subscribers who create their own group) to associate their group with any blog on the Multisite network, including the main site (blog ID 1). The `default-member` parameter accepts any WordPress role, including `administrator`, without validation against a whitelist. When combined with `groupblog-silent-add`, any user who joins the attacker's group is automatically added to the targeted blog with the injected role. This makes it possible for authenticated attackers, with Subscriber-level access and above, to escalate any user (including themselves via a second account) to Administrator on the main site of the Multisite network. The weakness was shared by Nabil Irawan. The advisory is available at wordfence.com. This vulnerability is handled as CVE-2026-5144 since 03/30/2026. The exploitation is known to be easy. The attack may be launched remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/11/2026). This vulnerability is assigned to T1068 by the MITRE ATT&CK project. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type WordPress Plugin Vendor boonebgorges Name BuddyPress Groupblog Plugin Version 1.9.0 1.9.1 1.9.2 1.9.3 CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 7.6 VulDB Meta Temp Score: 7.4 VulDB Base Score: 6.3 VulDB Temp Score: 6.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 8.8 CNA Vector (Wordfence): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Privileges management CWE: CWE-269 / CWE-266 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 03/30/2026 CVE reserved 04/11/2026 +12 days Advisory disclosed 04/11/2026 +0 days VulDB entry created 04/11/2026 +0 days VulDB entry last update Sourcesinfo Advisory: wordfence.com Researcher: Nabil Irawan Status: Not defined CVE: CVE-2026-5144 (🔒) GCVE (CVE): GCVE-0-2026-5144 GCVE (VulDB): GCVE-100-356954 Entryinfo Created: 04/11/2026 04:10 Changes: 04/11/2026 04:10 (66) Complete: 🔍 Cache ID: 99:2BC:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸