Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessRegister/obtain subscriber account
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DeliverySend crafted authenticated request
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ExploitAbuse incorrect privilege assignment
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ExecutionEscalate to elevated role
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ImpactFull site compromise
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V8 - Authorization Privilege assignment review
|
| Exploitation Conditions | Requires an authenticated low-privileged account (PR:L) on a WordPress site running BuddyBoss Platform version 3.5.0 or earlier; the attacker must be able to log in as at least a subscriber, which is frequently self-registerable on community sites using this plugin. No user interaction is needed (UI:N) and the vector is network-reachable (AV:N) with low complexity (AC:L). The main limiting factor is the authentication requirement - fully unauthenticated attackers cannot exploit it unless subscriber registration is open. The specific feature, endpoint, or configuration that performs the incorrect privilege assignment is not described in the available sources. |
| Impact | This is a credible, action-worthy issue but not a drop-everything emergency. The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N) describes a network-reachable flaw with low attack complexity that requires some authentication - PR:L, consistent with the 'Subscriber Privilege Escalation' title, meaning an attacker needs only a low-privileged subscriber account, which on many BuddyBoss community sites is self-registerable. The CWE-266 (incorrect privilege assignment) and C:H/I:H/A:H impacts yield a base score of 8.8, reflecting that a subscriber could escalate to a substantially higher privilege level. The vuln.today priority label is 'this_week' rather than act_now/emergency, which aligns with the absence of other urgency signals: no CISA KEV listing is present, no EPSS probability was supplied, and no public exploit or PoC reference is provided (only a Patchstack advisory entry). So the signals are internally consistent - high technical severity, authenticated precondition, no evidence of active exploitation or published exploit code. MISSING DATA to note explicitly: EPSS score is not provided, KEV status is not provided (treat as not listed), and no fixed version appears in the available evidence. Prioritize remediation on a short timeline given low privilege requirement and self-registration being common on these sites, but this is not confirmed in-the-wild exploitation. |
| Exploit ScenarioDerived | An attacker registers or obtains a low-privileged subscriber account on a WordPress site running BuddyBoss Platform 3.5.0 or earlier, then abuses an improperly assigned privilege check to grant themselves elevated capabilities (potentially administrative), gaining full read/write control and the ability to disrupt the site. No user interaction is required and attack complexity is low per the CVSS vector. No public exploit or working PoC was identified in the provided data; the exact trigger is not described in the available sources. |
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Alert meAnalysisAIv1 – Oct 29, 2026
Privilege escalation in the BuddyBoss Platform WordPress plugin through version 3.5.0 allows an authenticated low-privileged subscriber to gain higher privileges over the network without user interaction, with a CVSS score of 8.8. The flaw is an incorrect privilege assignment (CWE-266) affecting WordPress community sites running the plugin, and exposure is greatest where subscriber self-registration is open. No public exploit identified at time of analysis, and no CISA KEV entry is present in the supplied data.
RemediationAI
No vendor-released patch or fixed version is identified in the supplied data at time of analysis, so no exact upgrade target can be cited; monitor the Patchstack advisory (https://patchstack.com/database/wordpress/plugin/buddyboss-platform/vulnerability/wordpress-buddyboss-platform-plugin-3-5-0-privilege-escalation-vulnerability?_s_id=cve) for a fixed release. Until a fix is available, the practical compensating controls are to disable open subscriber self-registration or require administrator approval for new accounts, and to audit existing subscriber accounts for unexpected role or privilege changes; these reduce exposure on community sites but do not correct the underlying privilege-assignment flaw.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
BuddyBoss Platform is a WordPress plugin that adds community, membership, and profile features; the affected area is the plugin's role and privilege handling. CWE-266 (Incorrect Privilege Assignment) means the code grants a role or capability to a user who should not receive it, in this case allowing a subscriber-level account to escalate. The supplied CVSS vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) confirms network reachability, low attack complexity, a requirement for an authenticated low-privileged account, no user interaction, and high confidentiality, integrity, and availability impact. CPE data identifies buddyboss:buddyboss_platform versions through 3.5.0; the specific feature, endpoint, or configuration that performs the incorrect assignment is not described in the available sources.
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Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Network-reachable privilege escalation needing a low-privileged subscriber account (PR:L), no interaction, low complexity, yielding high confidentiality/integrity/availability impact once escalated.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
DescriptionCVE.org
Subscriber Privilege Escalation in Buddyboss Platform <= 3.5.0 versions.
Executive ViewAI
The BuddyBoss Platform WordPress plugin (≤3.5.0) contains a privilege escalation flaw that lets any authenticated low-privileged subscriber gain higher privileges, potentially leading to full site compromise. This puts community sites with open self-registration at risk, threatening member data and site integrity. Leadership should prioritize remediation due to the high impact and lack of a vendor patch.
No vendor-released patch identified at time of analysis. Interim mitigations: disable or restrict subscriber self-registration, enforce least privilege on user roles, deploy WAF rules to detect and block privilege escalation attempts, and monitor for suspicious account privilege changes.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.
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EUVD-2026-112999
GHSA-f255-jcwq-rrpv
NVD
CVE.org
EPSS
Vulnrichment
Exploit-DB