Facebook for WordPress 3.0.0-3.0.3 - CSRF to Stored XSS and Settings Deletion
Priority LOW 39CWE-352Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-352.
Summary
The wp_ajax_save_fbe_settings and wp_ajax_delete_fbe_settings AJAX actions of the Facebook for WordPress plugin before 3.0.4 were vulnerable to CSRF due to a lack of nonce protection. The settings in the saveFbeSettings function had no sanitization allowing for script tags to be saved.
Why it matters now
EPSS 0.00699 53rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed Facebook for WordPress (Unknown): 3.0.4
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Facebook for WordPress | 3.0.0 and later; 3.0.4 to before 3.0.4 | 3.0.4 | Patch available | CNA |
- Facebook for WordPress VendorUnknown Affected 3.0.0 and later; 3.0.4 to before 3.0.4 Fixed in 3.0.4 Patch available CNA
Remediation
- Fix · CNA Facebook for WordPress (Unknown) Fixed in 3.0.4
Timeline
- 2026-10-02 Threatist record created from CVE-2021-24218
- 2026-10-03 Alias added: GHSA-28p8-w9v3-x57w
References
More Meta Facebook vulnerabilities
- TI-2008-00628 Multiple stack-based buffer overflows in Aurigma Image Uploader ActiveX control… CVSS 2.0HIGH 9.3
- TI-2021-06509 Facebook for WordPress < 3.0.0 - PHP Object Injection with POP Chain CVSS 3.1HIGH 8.1
- TI-2014-05258 Cross-site scripting (XSS) vulnerability in the Facebook app 14.0 and the Facebook… CVSS 2.0MEDIUM 4.3
Sources
- CVE-2021-24218 · CVE Program
- CVE-2021-24218 · NVD
- FIRST EPSS
- GHSA-28p8-w9v3-x57w · GitHub Advisory Database · CC BY 4.0
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