PatchSiren cyber security CVE debrief
CVE-2026-6452 ktulhu CVE debrief
The Bigfishgames Syndicate plugin for WordPress is vulnerable to Cross-Site Request Forgery (CSRF) in all versions up to and including 1.2. The vulnerability stems from missing or incorrect nonce validation on the `bigfishgames_syndicate_submenu()` function, allowing unauthenticated attackers to reset and update plugin settings via forged requests if they can trick a site administrator into clicking a malicious link. The CVSS 3.1 score of 4.3 (Medium) reflects network attack vector, low attack complexity, no privileges required, user interaction required, and low integrity impact with no confidentiality or availability impact. The weakness is classified as CWE-352 (Cross-Site Request Forgery). The CVE was published on 2026-05-20 and last modified the same day. No patch is currently available, and the NVD status is listed as Deferred.
- Vendor
- ktulhu
- Product
- Bigfishgames Syndicate
- CVSS
- MEDIUM 4.3
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-05-20
- Original CVE updated
- 2026-05-20
- Advisory published
- 2026-05-20
- Advisory updated
- 2026-05-20
Who should care
WordPress site administrators using the Bigfishgames Syndicate plugin, security teams managing WordPress deployments, and web application security professionals responsible for plugin security assessments
Technical summary
The Bigfishgames Syndicate WordPress plugin fails to implement proper nonce validation in the `bigfishgames_syndicate_submenu()` administrative function. This CSRF vulnerability permits unauthenticated remote attackers to manipulate plugin configuration settings by crafting malicious requests that execute with the privileges of an authenticated administrator who has an active session. The attack requires social engineering to induce the administrator to interact with the malicious request, typically via a crafted link. The vulnerability affects all versions through 1.2 with no patched version currently available.
Defensive priority
medium
Recommended defensive actions
- Apply security updates for the Bigfishgames Syndicate plugin when released by the vendor
- Implement Web Application Firewall (WAF) rules to detect and block CSRF exploitation attempts
- Enable WordPress nonce verification for all administrative functions as a defense-in-depth measure
- Review and restrict administrative access to trusted IP ranges where feasible
- Monitor WordPress admin logs for unexpected plugin setting changes
- Consider temporarily disabling the Bigfishgames Syndicate plugin if updates are not forthcoming and the functionality is not critical
Evidence notes
Vulnerability confirmed via Wordfence security advisory and WordPress plugin repository source code review. Affected function `bigfishgames_syndicate_submenu()` lacks proper nonce verification at lines 169 and 238 in version 1.2.
Official resources
2026-05-20