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TI-2026-54189 Aliases CVE-2026-77807GHSA-w97p-m43x-6fh6

Path traversal in acyba AcyMailing – An Ultimate Newsletter Plugin and Marketing…

Priority MEDIUM 41CWE-22Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

The AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 11.0.4 via the `user[name]` Parameter. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information. Exploitation requires "Embed images" option in AcyMailing configuration being enabled.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00928 60th 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

VendorProductAffected versionsFixed inStatusSource
acybaAcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPressup to 11.0.4—No fix listedCNA
  • AcyMailing – An Ultimate Newsletter Plugin and Marketing Automation Solution for WordPress Vendoracyba Affected up to 11.0.4 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-77807
  2. 2026-10-03 Alias added: GHSA-w97p-m43x-6fh6

References

Other 2

  • TI-2023-20863 Extension - acymailing.com - RCE in AcyMailing component for Joomla 6.7.0-8.5.0 CVSS 3.1CRITICAL 9.8
  • TI-2018-06612 CSV Injection (aka Excel Macro Injection or Formula Injection) exists in the export… CVSS 3.0HIGH 8.8
  • TI-2018-06611 CSV Injection (aka Excel Macro Injection or Formula Injection) exists in the export… CVSS 3.0HIGH 8.8
  • TI-2024-06844 AcyMailing <= 9.7.2 - Authenticated (Subscriber+) Arbitrary File Upload via acym_extractArchive Function CVSS 3.1HIGH 8.8
  • TI-2026-12981 Improper privilege management in acyba AcyMailing – An Ultimate Newsletter Plugin and… CVSS 3.1HIGH 8.8
  • TI-2026-04543 AcyMailing <= 10.8.2 - Missing Authorization to Authenticated (Subscriber+) Privilege Escalation via 'acymailing_router' CVSS 3.1HIGH 8.8
See all 11 →

Sources

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