WordPress Taggbox Plugin <= 3.1 is vulnerable to PHP Object Injection

published 2024-01-08 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-56898

cvss: 10.0; 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 51%
public exploits: 0; none known

Deserialization of Untrusted Data vulnerability in Tagbox Tagbox – UGC Galleries, Social Media Widgets, User Reviews & Analytics.This issue affects Tagbox – UGC Galleries, Social Media Widgets, User Reviews & Analytics: from n/a through 3.1.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-01-08)

Exploit prediction

0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	10.0	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD	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

Tagbox Tagbox – UGC Galleries, Social Media Widgets, User Reviews & Analytics

Classification

Weakness

CWE-502 Deserialization of Untrusted Data

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/vulnerability/taggbox-widget/wordpress-tagbox-widget-plugin-3-1-unauthenticated-php-object-injection
vdb-entry, third-party-advisory

Sources

CVE List CVE-2023-52225
NVD CVE-2023-52225

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