WordPress Newsletters plugin <= 4.13 - Broken Access Control vulnerability
Priority LOW 38CWE-862Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
Unauthenticated Broken Access Control in Newsletters <= 4.13 versions.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00301 22nd 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Tribulant Software | Newsletters | up to 4.13 | — | No fix listed | CNA |
- Newsletters VendorTribulant Software Affected up to 4.13 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-54840
- 2026-10-03 Alias added: GHSA-7hhw-r4mw-8jm8
More Tribulant Software vulnerabilities
- TI-2026-80046 PHP object injection in WordPress Newsletters plugin CVSS 3.1CRITICAL 9.8
- TI-2025-41520 WordPress Newsletters plugin <= 4.11 - PHP Object Injection vulnerability CVSS 3.1CRITICAL 9.8
- TI-2026-80049 SQL injection in WordPress Newsletters plugin CVSS 3.1CRITICAL 9.3
- TI-2026-81391 Cross-site request forgery in WordPress Newsletters plugin CVSS 3.1CRITICAL 9.6
- TI-2025-33879 WordPress Newsletters plugin <= 4.10 - Local File Inclusion vulnerability CVSS 3.1HIGH 7.5
- TI-2026-41470 WordPress Newsletters plugin <= 4.13 - Broken Access Control vulnerability CVSS 3.1HIGH 8.1
Sources
- CVE-2026-54840 · CVE Program
- CVE-2026-54840 · NVD
- FIRST EPSS
- GHSA-7hhw-r4mw-8jm8 · 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