Bitwarden through 2023.2.1 offers password auto-fill when the second-level domain…
Priority HIGH 66Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Bitwarden through 2023.2.1 offers password auto-fill when the second-level domain matches, e.g., a password stored for an example.com hosting provider when customer-website.example.com is visited. NOTE: the vendor's position is that "Auto-fill on page load" is not enabled by default.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00987 62nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- 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
| 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.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-27974
- 2026-10-03 Alias added: GHSA-76q7-gm7v-vj5q
References
More Bitwarden vulnerabilities
- TI-2023-12369 Bitwarden Windows desktop application versions prior to v2023.4.0 store biometric keys in… CVSS 3.1HIGH 7.1
- TI-2018-15308 Bitwarden through 2023.2.1 offers password auto-fill within a cross-domain IFRAME element. CVSS 3.1HIGH 7.5
- TI-2023-20119 Bitwarden Desktop 2023.7.0 and below allows an attacker with local access to obtain… CVSS 3.1MEDIUM 5.5
Sources
- CVE-2023-27974 · CVE Program
- CVE-2023-27974 · NVD
- FIRST EPSS
- GHSA-76q7-gm7v-vj5q · 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