WordPress CBX Poll plugin <= 2.0.4 - PHP Object Injection vulnerability

published 2025-04-01 19 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-9443

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits: 0; none known

Deserialization of Untrusted Data vulnerability in Sabuj Kundu CBX Poll cbxpoll allows Object Injection.This issue affects CBX Poll: from n/a through <= 2.0.4.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 19 mo ago (2025-04-02)

Exploit prediction

0.73% chance of exploitation in the next 30 days, higher than 54% 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

Sabuj Kundu CBX Poll

Classification

Weakness

CWE-502 Deserialization of Untrusted Data

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/Wordpress/Plugin/cbxpoll/vulnerability/wordpress-cbx-poll-plugin-1-2-7-php-object-injection-vulnerab
vdb-entry

Sources

CVE List CVE-2025-31612
NVD CVE-2025-31612

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