WordPress Paytium plugin <= 5.0.5 - PHP Object Injection vulnerability

published 2026-10-24 15 d ago modified 2026-10-26 13 d ago also EUVD-2026-109258

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 39%
public exploits: 0; none known

Deserialization of Untrusted Data vulnerability in paytiumsupport Paytium paytium allows Object Injection.This issue affects Paytium: from n/a through 5.0.5.

Patch / fix

fixed in 1

paytiumsupport Paytium 5.0.6

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 15 d ago (2026-10-24)

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% 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

paytiumsupport Paytium

Classification

Weakness

CWE-502 Deserialization of Untrusted Data

References

patchstack.com /database/wordpress/plugin/paytium/vulnerability/wordpress-paytium-plugin-5-0-5-php-object-injection-vulnerabi
vdb-entry

Sources

CVE List CVE-2026-114196
NVD CVE-2026-114196

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