CVE-2025-3439 — Deserialization of Untrusted Data in Everest Forms

CWE-502 — Deserialization of Untrusted DataCWE-416 — Use After Free4 documents4 sources
Severity
9.8CRITICALNVD
EPSS
4.5%
top 10.89%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Wpeverest Everest Forms
Timeline
PublishedApr 11

Description

The Everest Forms – Contact Form, Quiz, Survey, Newsletter & Payment Form Builder for WordPress plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 3.1.1 via deserialization of untrusted input from the 'field_value' parameter. This makes it possible for unauthenticated attackers to inject a PHP Object. No known POP chain is present in the vulnerable software, which means this vulnerability has no impact unless another plugin or theme containing a POP …

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages1 packages

Patches

Patch: plugins.trac.wordpress.org ↗

🔴Vulnerability Details

2
CVEList
Everest Forms – Contact Form, Quiz, Survey, Newsletter & Payment Form Builder for WordPress <= 3.1.1 - Unauthenticated PHP Object Injection↗2025-04-11
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GHSA
GHSA-jq7g-h856-ccpg: The Everest Forms – Contact Form, Quiz, Survey, Newsletter & Payment Form Builder for WordPress plugin for WordPress is vulnerable to PHP Object Injec↗2025-04-11
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📋Vendor Advisories

1
Microsoft
A flaw was found in the MCTP protocol in the Linux kernel. The function mctp_unregister() reclaims the device's relevant resource when a netcard detaches. However a running routine may be unaware of t↗2023-06-13
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CVE-2025-3439 — Deserialization of Untrusted Data | cvebase