TI-2026-83298 Aliases CVE-2026-90888 GHSA-27wj-mp2h-85jg

PHP object injection in WordPress LeadSnap plugin

MEDIUM 49CWE-502Published 2026-10-30 · Updated 2026-10-30

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

The LeadSnap plugin for WordPress through 1.25 is affected. Its handling of untrusted serialized data allows PHP object injection (CWE-502). An unauthenticated remote attacker can trigger this flaw without logging in.

Written with Claude Haiku 5.5 from the sources below · 2026-10-31

Description from the CNA

Unauthenticated PHP Object Injection in LeadSnap <= 1.25 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0032 25th 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
leadsnap	LeadSnap	up to 1.25	—	No fix listed	CNA

LeadSnap Vendorleadsnap Affected up to 1.25 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for LeadSnap.

Written with Claude Haiku 5.5 from the sources below · 2026-10-31

Timeline

2026-10-30 Threatist record created from CVE-2026-90888
2026-10-30 CISA SSVC decision points changed
2026-10-30 Alias added: GHSA-27wj-mp2h-85jg

References

Other 1

https://patchstack.com/database/wordpress/plugin/leadsnap/vulnerability/wordpress-leadsnap-plugin-1-25-php-object-injection-vulnerability?_s_id=cve

Sources

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