Cross-site request forgery (CSRF) vulnerability in the wp_ajax_update_plugin function in…
Priority MEDIUM 52CWE-352Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-352.
Summary
Cross-site request forgery (CSRF) vulnerability in the wp_ajax_update_plugin function in wp-admin/includes/ajax-actions.php in WordPress before 4.6 allows remote attackers to hijack the authentication of subscribers for /dev/random read operations by leveraging a late call to the check_ajax_referer function, a related issue to CVE-2016-6896.
Why it matters now
EPSS 0.2882 98th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2016-6897
- 2026-10-03 Alias added: GHSA-rxch-vxwr-47jw
References
Exploit 1
Other 4
- [oss-security] 20160820 Path traversal vulnerability in WordPress Core Ajax handlers
- https://sumofpwn.nl/advisory/2016/path_traversal_vulnerability_in_wordpress_core_ajax_handlers.html
- https://github.com/WordPress/WordPress/commit/8c82515ab62b88fb32d01c9778f0204b296f3568
- https://wpvulndb.com/vulnerabilities/8606
More Wordpress vulnerabilities
- TI-2026-45010 WordPress < 7.0.2 - REST API batch-route confusion and SQL injection issue leading to Remote Code Execution KEVCVSS 3.1CRITICAL 9.8
- TI-2016-08118 The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow… KEVCVSS 3.1CRITICAL 9.8
- TI-2026-83466 Predictable staging paths let attackers run code in WordPress Core KEVCVSS 3.1HIGH 8.1
- TI-2026-59973 An unauthenticated attacker can make `get_page_template()` page-template resolution… KEVCVSS 3.1HIGH 8.1
- TI-2016-08129 The isMail transport in PHPMailer before 5.2.20 might allow remote attackers to pass… CVSS 3.1CRITICAL 9.8
- TI-2026-42844 WordPress < 7.0.2 - Facilitated SQL Injection via author__not_in in WP_Query KEVCVSS 3.1MEDIUM 5.9
Sources
- CVE-2016-6897 · CVE Program
- CVE-2016-6897 · NVD
- FIRST EPSS
- GHSA-rxch-vxwr-47jw · GitHub Advisory Database · CC BY 4.0
- CVE-2016-6897 · Red Hat security data · CC BY 4.0
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