CVE-2026-6256 — Cross-Site Scripting (XSS)
CVE-2026-6256 — The Credits Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'link' attribute of the 'credits' shortcode in all versions up to, and including, 1.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it
What This Means For You
- If your environment is affected by CWE-79, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-6256 updates and patches.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-6256 - WordPress Credits Shortcode Stored XSS
title: CVE-2026-6256 - WordPress Credits Shortcode Stored XSS
id: scw-2026-05-12-ai-1
status: experimental
level: medium
description: |
Detects potential exploitation of CVE-2026-6256 by looking for requests to WordPress's admin-ajax.php with the 'credits' action and a 'link' parameter containing script tags. This indicates an attempt to inject malicious JavaScript via the Credits Shortcode plugin.
author: SCW Feed Engine (AI-generated)
date: 2026-05-12
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-6256/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri|contains:
- '/wp-admin/admin-ajax.php'
cs-uri-query|contains:
- 'action=credits'
cs-uri-query|contains:
- 'link=' # Specific parameter for the vulnerability
cs-uri-query|contains:
- '<script>' # Indicates potential script injection
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-6256 | vulnerability | CVE-2026-6256 |
| CWE-79 | weakness | CWE-79 |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 12, 2026 at 12:16 UTC |
This content was curated and summarized by Shimi's Cyber World for informational purposes. It is not copied or republished in full. All intellectual property rights remain with the original author and source.
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