---
id: "CVE-2026-114196"
kind: "vulnerability"
aliases: ["CVE-2026-114196"]
title: "Paytium WordPress plugin: untrusted data deserialization lets attackers inject objects"
severity: "critical"
cvss: 9.8
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["package", "paytium", "self-hosted", "wordpress"]
not_affected_if: ["plugin-not-installed"]
published_at: "2026-10-24T08:16:51+00:00"
first_seen_at: "2026-10-24T08:47:15+00:00"
updated_at: "2026-10-25T02:59:39+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-114196", "first_seen_at": "2026-10-24T08:47:15+00:00"}]
---

# Paytium WordPress plugin: untrusted data deserialization lets attackers inject objects

Paytium, a WordPress payment plugin, deserializes untrusted data without checks, allowing PHP object injection. The sources do not say what an attacker can do with an injected object, but object injection on a site often leads to code execution.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed Paytium version in the WordPress admin plugin list or with `wp plugin get paytium --field=version`
- unknown if other checks are needed

## Fix

- Update Paytium to a version later than `5.0.5`
- unknown whether a patched version number is published in the sources

## Timeline

- 2026-10-24T08:47:15+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-114196

## From the sources

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

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_