Unauthenticated PHP Object Injection in LeadSnap Plugin by LeadSnap
CVE-2026-90888

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Leadsnap
Vendor
CVE Published:
30 October 2026

What is CVE-2026-90888?

A vulnerability has been identified in the LeadSnap WordPress plugin, specifically in versions up to 1.25, which allows for unauthenticated PHP Object Injection. This weakness can exploit improper data handling, potentially leading to unauthorized access and execution of remote code. Users are advised to upgrade to the latest version to mitigate risks and enhance security.

Affected Version(s)

LeadSnap <= 1.25

References

https://patchstack.com/database/wordpress/plugin/leadsnap...
vdb-entry

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program
.