Two-factor authentication (formerly IP Vault) <= 2.1 - Cross-Site Request Forgery to Settings Update
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-352.
Summary
The Two-factor authentication (formerly IP Vault) plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.1. This is due to missing or incorrect nonce validation on the ipv_save_changes function. This makes it possible for unauthenticated attackers to modify the plugin's firewall and two-factor authentication settings — including the operating mode, request include/exclude rules, authentication slug, and log retention period — potentially disabling protection entirely via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-8903
- 2026-10-03 Alias added: GHSA-c9g7-24f9-cgmr
References
Other 4
- https://www.wordfence.com/threat-intel/vulnerabilities/id/5a58f809-d051-4841-a1da-7bc1cf59e1a2?source=cve
- https://plugins.trac.wordpress.org/browser/ip-vault-wp-firewall/trunk/includes/admin-settings.php#L14
- https://plugins.trac.wordpress.org/browser/ip-vault-wp-firewall/trunk/includes/admin-settings.php#L129
- https://plugins.trac.wordpress.org/browser/ip-vault-wp-firewall/trunk/ip-vault.php#L482
More youtag vulnerabilities
- TI-2025-22625 WordPress ShowTime Slideshow plugin <= 1.6 - Cross Site Request Forgery (CSRF) to Stored XSS vulnerability CVSS 3.1HIGH 7.1
- TI-2022-04142 IP Vault – WP Firewall <= 1.1 - IP Address Spoofing to Protection Mechanism Bypass CVSS 3.1MEDIUM 5.3
Sources
- CVE-2026-8903 · CVE Program
- CVE-2026-8903 · NVD
- FIRST EPSS
- GHSA-c9g7-24f9-cgmr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences