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TI-2025-00869 Aliases CVE-2025-1028GHSA-6vwh-w96v-4q99

Contact Manager <= 8.6.4 - Unauthenticated Arbitrary Double File Extension Upload

Priority LOW 39CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
High
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-434.

Summary

The Contact Manager plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the contact form upload feature in all versions up to, and including, 8.6.4. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible in specific configurations where the first extension is processed over the final. This vulnerability also requires successfully exploiting a race condition in order to exploit.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00761 55th 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
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
kleorContact Managerup to 8.6.4—No fix listedCNA
  • Contact Manager Vendorkleor Affected up to 8.6.4 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-2025-1028
  2. 2026-10-03 Alias added: GHSA-6vwh-w96v-4q99

References

Other 2

  • TI-2026-81734 Unauthenticated file upload in Contact Manager WordPress plugin CVSS 3.1CRITICAL 9.8
  • TI-2025-42312 WordPress Contact Manager plugin <= 9.1.1 - PHP Object Injection vulnerability CVSS 3.1HIGH 8.8
  • TI-2025-08724 Easy Timer <= 4.2.1 - Authenticated (Editor+) Remote Code Execution via Shortcode CVSS 3.1HIGH 7.2
  • TI-2026-25045 WordPress Contact Manager plugin <= 9.1 - Reflected Cross Site Scripting (XSS) vulnerability CVSS 3.1HIGH 7.1
  • TI-2025-08034 Contact Manager <= 8.6.5 - Authenticated (Administrator+) Stored Cross-Site Scripting via 'title' CVSS 3.1MEDIUM 4.4

Sources

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