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PHP Object Injection in Frisbii Pay WordPress plugin

Priority MEDIUM 40CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
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

The Frisbii Pay WordPress plugin, up to and including version 1.8.19, contains a PHP object injection flaw (CWE-502) caused by deserialization of untrusted data. An authenticated attacker with Contributor privileges can trigger it remotely without user interaction, with high impact on confidentiality, integrity and availability.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Description from the CNA

Contributor PHP Object Injection in Frisbii Pay <= 1.8.19 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00374 31st 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
FrisbiiFrisbii Payup to 1.8.19—No fix listedCNA
  • Frisbii Pay VendorFrisbii Affected up to 1.8.19 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Frisbii Pay.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Timeline

  1. 2026-10-29 Threatist record created from CVE-2026-118076
  2. 2026-10-29 Alias added: GHSA-24h5-38g6-cw4c
  3. 2026-10-29 CISA SSVC decision points changed
  4. 2026-10-29 Priority changed: MEDIUM → LOW
  5. 2026-10-31 Priority changed: LOW → MEDIUM

References

  • TI-2026-40432 WordPress Frisbii Pay plugin <= 1.8.2 - Privilege Escalation vulnerability CVSS 3.1HIGH 8.8
  • TI-2025-36284 WordPress Frisbii Pay Plugin <= 1.8.2.1 - Broken Access Control Vulnerability CVSS 3.1MEDIUM 6.5

Sources