WordPress Gravity Forms plugin < 3.1.1 - PHP Object Injection vulnerability

published 2026-10-16 24 d ago modified 2026-10-16 23 d ago also EUVD-2026-102810

cvss: 8.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 16%
public exploits: 0; none known

Deserialization of Untrusted Data vulnerability in Rocketgenius, Inc Gravity Forms gravityforms allows Object Injection.This issue affects Gravity Forms: from n/a before 3.1.1.

Patch / fix

fixed in 1

Rocketgenius, Inc Gravity Forms 3.1.1

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 23 d ago (2026-10-16)

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.1	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Rocketgenius, Inc Gravity Forms

Classification

Weakness

CWE-502 Deserialization of Untrusted Data

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/wordpress/plugin/gravityforms/vulnerability/wordpress-gravity-forms-plugin-3-1-1-php-object-injectio
vdb-entry

Sources

CVE List CVE-2026-97296
NVD CVE-2026-97296

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary