WordPress Chat Help plugin <= 3.1.3 - Broken Access Control vulnerability
Priority LOW 24CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- 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-862.
Summary
Missing Authorization vulnerability in ThemeAtelier Chat Help chat-help allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Chat Help: from n/a through <= 3.1.3.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00231 14th 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
- 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 |
|---|---|---|---|---|---|
| ThemeAtelier | Chat Help | up to 3.1.3 | — | No fix listed | CNA |
- Chat Help VendorThemeAtelier Affected up to 3.1.3 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-66099
- 2026-10-03 Alias added: GHSA-42r2-h466-hwh9
References
More ThemeAtelier vulnerabilities
- TI-2025-10220 IDonate < 2.1.13 - Unauthenticated User Deletion CVSS 3.1MEDIUM 5.4
- TI-2025-23584 WordPress IDonate plugin <= 2.1.18 - Local File Inclusion vulnerability CVSS 3.1CRITICAL 9.8
- TI-2026-60333 ThemeAtelier Domain For Sale < 3.5.2 Missing Authorization via REST API CVSS 4.0HIGH 8.8
- TI-2026-12868 Missing authorization in ThemeAtelier ChatHelp – Click to Chat Button, WooCommerce Chat… CVSS 3.1HIGH 7.5
- TI-2025-04036 Improper authorization in ThemeAtelier IDonate – Blood Donation, Request And Donor… CVSS 3.1HIGH 8.8
- TI-2025-04034 Improper authorization in ThemeAtelier IDonate – Blood Donation, Request And Donor… CVSS 3.1HIGH 8.8
Sources
- CVE-2025-66099 · CVE Program
- CVE-2025-66099 · NVD
- FIRST EPSS
- GHSA-42r2-h466-hwh9 · 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