WebAuthn Provider for Two Factor < 2.5.6 - 2FA Bypass
Priority HIGH 67Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
The WebAuthn Provider for Two Factor WordPress plugin before 2.5.6 does not correctly validate the second-factor authentication response, allowing an attacker who already knows a user's password to bypass the two-factor authentication requirement by submitting a malformed request.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00619 49th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed WebAuthn Provider for Two Factor (Unknown): 2.5.6
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | WebAuthn Provider for Two Factor | before 2.5.6 | 2.5.6 | Patch available | CNA |
- WebAuthn Provider for Two Factor VendorUnknown Affected before 2.5.6 Fixed in 2.5.6 Patch available CNA
Remediation
- Fix · CNA WebAuthn Provider for Two Factor (Unknown) Fixed in 2.5.6
Timeline
- 2026-10-02 Threatist record created from CVE-2026-11883
- 2026-10-03 Alias added: GHSA-758r-7wwh-v6r7
References
Sources
- CVE-2026-11883 · CVE Program
- CVE-2026-11883 · NVD
- FIRST EPSS
- GHSA-758r-7wwh-v6r7 · 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