Authentication bypass in asVereinbase WordPress plugin via 2FA validation
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-287.
Summary
The asVereinbase WordPress plugin before 1.1.8 does not require a valid password or a genuine second factor before authenticating a user. It treats an empty stored value as a match (CWE-287), so an unauthenticated remote attacker can log in as any user, including an administrator. A public exploit is linked in the references.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
The asVereinbase WordPress plugin before 1.1.8 does not require a valid password or a genuine second factor before authenticating a user, treating an empty stored value as a match, so an unauthenticated attacker can log in as any user, including an administrator.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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 | asVereinbase | before 1.1.8 | 1.1.8 | Patch available | CNA |
- asVereinbase VendorUnknown Affected before 1.1.8 Fixed in 1.1.8 Patch available CNA
Remediation
Update asVereinbase to version 1.1.8, which fixes the flaw.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
- Fix · CNA asVereinbase (Unknown) Fixed in 1.1.8
Timeline
- 2026-10-24 Threatist record created from CVE-2026-110956
- 2026-10-24 Alias added: GHSA-3838-5p3q-5cgw
- 2026-10-24 CVSS score added · CISA ADP
- 2026-10-24 Weakness changed · CISA ADP
- 2026-10-24 CISA SSVC decision points changed
- 2026-10-24 Priority changed: LOW → MEDIUM
References
Sources
- CVE-2026-110956 · CVE Program
- CVE-2026-110956 · NVD
- FIRST EPSS
- GHSA-3838-5p3q-5cgw · 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