TI-2025-41520 Aliases CVE-2025-67911 GHSA-24wx-m9jq-x9f7

WordPress Newsletters plugin <= 4.11 - PHP Object Injection vulnerability

MEDIUM 49CWE-502Published 2026-01-08 · Updated 2026-04-28

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

Deserialization of Untrusted Data vulnerability in Tribulant Software Newsletters newsletters-lite allows Object Injection.This issue affects Newsletters: from n/a through <= 4.11.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00456 39th 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: 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
Tribulant Software	Newsletters	up to 4.11	—	No fix listed	CNA

Newsletters VendorTribulant Software Affected up to 4.11 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2025-67911
2026-10-03 Alias added: GHSA-24wx-m9jq-x9f7

References

Other 1

https://patchstack.com/database/Wordpress/Plugin/newsletters-lite/vulnerability/wordpress-newsletters-plugin-4-11-php-object-injection-vulnerability?_s_id=cve

TI-2026-80046 PHP object injection in WordPress Newsletters plugin 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-2026-39643 WordPress Newsletters plugin <= 4.13 - Broken Access Control vulnerability CVSS 3.1HIGH 7.3
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

See all 16 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences