CVE-2024-43288 Overview
CVE-2024-43288 is an Insecure Direct Object Reference (IDOR) vulnerability in the gVectors Team wpForo Forum plugin for WordPress. The flaw affects all versions up to and including 2.3.4. Authenticated attackers with low privileges can manipulate user-controlled key parameters to access or modify forum resources belonging to other users. The vulnerability is classified under CWE-639: Authorization Bypass Through User-Controlled Key and is exploitable over the network without user interaction.
Critical Impact
Authenticated attackers can bypass authorization checks to read and modify forum objects owned by other users, resulting in confidentiality and integrity impacts across the WordPress forum installation.
Affected Products
- gVectors Team wpForo Forum plugin for WordPress
- All versions from n/a through 2.3.4
- WordPress installations using the wpForo Forum plugin
Discovery Timeline
- 2024-08-18 - CVE-2024-43288 published to the National Vulnerability Database
- 2026-06-17 - Last updated in the NVD database
Technical Details for CVE-2024-43288
Vulnerability Analysis
The vulnerability resides in the wpForo Forum plugin's handling of object references. The plugin exposes identifiers, such as numeric IDs, that map directly to backend forum resources. The plugin fails to verify that the authenticated user requesting an action owns or has permission to access the referenced object. An attacker with any low-privilege forum account can substitute another user's identifier in a request to gain unauthorized access.
Because the attack requires only low privileges and no user interaction, any registered forum member becomes a potential attacker. The scope remains unchanged, but confidentiality and integrity are both impacted at a high level. Availability is not directly affected by the flaw.
Root Cause
The root cause is missing authorization validation on user-supplied identifier parameters. The plugin trusts client-controlled keys to select records without cross-checking ownership against the authenticated session. This pattern is characteristic of CWE-639 weaknesses in web applications that rely on obscurity of identifiers rather than explicit access control.
Attack Vector
Exploitation occurs over HTTP or HTTPS against a WordPress instance running the vulnerable plugin. An attacker registers or uses an existing low-privilege forum account, then submits crafted requests that reference resource identifiers belonging to other users. See the Patchstack Vulnerability Advisory for further technical context. No verified public proof-of-concept exploit code is available at this time.
Detection Methods for CVE-2024-43288
Indicators of Compromise
- Unexpected modifications to forum posts, private messages, or profile data attributed to accounts other than the actor
- HTTP requests to wpForo endpoints where the object identifier does not correspond to the authenticated user's owned resources
- Sequential enumeration of numeric identifiers in wpForo request parameters from a single session
- Access log entries showing authenticated users interacting with resources outside their normal activity patterns
Detection Strategies
- Inspect WordPress access logs for repeated wpForo requests that iterate through incrementing ID parameters from the same user session
- Correlate wpForo administrative and profile-change events with the acting user's ownership metadata to surface mismatches
- Deploy web application firewall rules that flag parameter tampering patterns targeting wpForo endpoints
Monitoring Recommendations
- Enable verbose WordPress and plugin audit logging to capture user-to-resource mappings for every wpForo action
- Alert on privilege-sensitive actions performed by newly registered or low-reputation forum accounts
- Track the installed version of the wpForo Forum plugin across all managed WordPress instances and flag versions at or below 2.3.4
How to Mitigate CVE-2024-43288
Immediate Actions Required
- Upgrade the wpForo Forum plugin to a version later than 2.3.4 as soon as a fixed release is available from the vendor
- Audit forum user accounts and revoke registrations that show enumeration or tampering behavior
- Review recent forum content and profile changes for unauthorized modifications
Patch Information
Refer to the Patchstack Vulnerability Advisory for the current patch status and recommended fixed version. Apply the vendor-supplied update through the WordPress plugin management interface once available.
Workarounds
- Disable the wpForo Forum plugin on affected sites until a patched release can be installed
- Restrict forum registration and require administrator approval for new accounts to limit the pool of potential attackers
- Place the WordPress site behind a web application firewall configured to detect IDOR-style parameter manipulation against wpForo endpoints
# Configuration example: identify vulnerable wpForo installations via WP-CLI
wp plugin list --name=wpforo --fields=name,status,version
# Deactivate the plugin as a temporary workaround until a patched version is installed
wp plugin deactivate wpforo
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
