Object Injection Vulnerability in Fetch Designs Sign-up Sheets Plugin
CVE-2025-49393

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Sign-up Sheets
Vendor
CVE Published:
6 November 2025

What is CVE-2025-49393?

The Fetch Designs Sign-up Sheets plugin for WordPress is vulnerable to a deserialization of untrusted data, which can lead to object injection. This vulnerability affects all versions up to and including 2.3.2. An attacker could exploit this issue to execute malicious code or alter application behavior, compromising the security of websites using the affected plugin. It's crucial for users to update their installations to the latest version to mitigate such security risks.

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Deploy the Patch

Affected Version(s)

Sign-up Sheets <= n/a

References

https://patchstack.com/database/Wordpress/Plugin/sign-up-...
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

ChuongVN | Patchstack Bug Bounty Program
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