WordPress Grand Wedding theme < 3.1.11 - PHP Object Injection vulnerability

published 2026-03-05 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-9546

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits: 0; none known

Deserialization of Untrusted Data vulnerability in ThemeGoods Grand Wedding grandwedding allows Object Injection.This issue affects Grand Wedding: from n/a through < 3.1.11.

Patch / fix

fixed in 1

ThemeGoods Grand Wedding 3.1.11

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 8 mo ago (2026-03-09)

Exploit prediction

0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

ThemeGoods Grand Wedding

Classification

Weakness

CWE-502 Deserialization of Untrusted Data

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/Wordpress/Theme/grandwedding/vulnerability/wordpress-grand-wedding-theme-3-1-0-php-object-injection-
vdb-entry

Sources

CVE List CVE-2026-22417
NVD CVE-2026-22417

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