Vulnary
← back to the feed
Critical· 9.8

CVE-2026-62103

A critical vulnerability allows attackers to inject PHP objects into the Everest Forms plugin without authentication. This flaw can lead to arbitrary code execution and compromise the entire site. The issue affects all versions up to and including 3.6.0.

publishedSep 11, 2026
last modifiedSep 11, 2026
sourcesNVD
severity · cvss
9.8
critical · how bad it is
exploitation · epss
<1%
24th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Oct 26, 2026

No official fix yet. If none appears within 45 days of first tracking, this entry is removed automatically.

01

Who is affected

Everest Forms WordPress plugin, versions 3.6.0 and earlier.

02

Real-world impact

An attacker could inject malicious PHP objects, enabling them to run arbitrary code on the server, steal data, or take full control of the affected website.

03

Why this severity

The CVSS score of 9.8 reflects that the vulnerability can be exploited over the network with no authentication or user interaction, and it can compromise confidentiality, integrity, and availability of the system.

04

What to do about it

no official fix yet

No official fix or mitigation is documented in the sources yet. Monitor the vendor advisory and apply the patch as soon as it is released.

No fix documented in sources

05

Timeline

06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone needed
ScopeUnchanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →