KiotViet Sync <= 1.8.5 - Unauthenticated Webhook Key Exposure
Priority LOW 30CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-200.
Summary
The KiotViet Sync plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.8.5 via the register_api_route() function in kiotvietsync/includes/public_actions/WebHookAction.php. This makes it possible for unauthenticated attackers to extract the webhook token value when configured.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00273 19th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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-2025-12677
- 2026-10-03 Alias added: GHSA-48mf-wgq9-gwrv
References
More mykiot vulnerabilities
- TI-2025-11626 KiotViet Sync <= 1.8.5 - Unauthenticated Arbitrary File Upload CVSS 3.1CRITICAL 9.8
- TI-2025-11628 KiotViet Sync <= 1.8.5 - Use of Hard-coded Password to Authorization Bypass CVSS 3.1MEDIUM 5.3
- TI-2025-11627 KiotViet Sync <= 1.8.5 - Missing Authorization to Authenticated (Subscriber+) Settings Update CVSS 3.1MEDIUM 4.3
Sources
- CVE-2025-12677 · CVE Program
- CVE-2025-12677 · NVD
- FIRST EPSS
- GHSA-48mf-wgq9-gwrv · 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