CVE-2026-6247 — Cross-Site Scripting (XSS)
CVE-2026-6247 — The scratchblocks for WP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'element' attribute of the 'scratchblocks' shortcode in all versions up to, and including, 1.0.1 due to insufficient input sanitization and output escaping on user supplied attributes.
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-2026-6247 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.
WordPress Scratchblocks Stored XSS via 'element' attribute — CVE-2026-6247
title: WordPress Scratchblocks Stored XSS via 'element' attribute — CVE-2026-6247
id: scw-2026-05-12-ai-1
status: experimental
level: medium
description: |
This rule detects attempts to exploit CVE-2026-6247 in the WordPress Scratchblocks plugin. It specifically looks for requests containing the plugin's path and a crafted 'element' attribute in the query string that includes a script tag, indicating a potential Stored Cross-Site Scripting (XSS) injection attempt. This is the primary vector for this vulnerability.
author: SCW Feed Engine (AI-generated)
date: 2026-05-12
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-6247/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri|contains:
- '/wp-content/plugins/scratchblocks/'
cs-uri-query|contains:
- 'element=''
cs-uri-query|contains:
- '<script>'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-6247 | vulnerability | CVE-2026-6247 |
| 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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