CVE-2026-19855
Received
Received - Intake
Unauthenticated Shortcode Execution in CleanTalk WordPress Plugin
Vulnerability report for CVE-2026-19855, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-09-09
Last updated on: 2026-09-09
Assigner: WPScan
Description
Description
The CleanTalk WordPress plugin before 6.87 does not prevent unauthenticated, user-supplied comment content from being passed to WordPress's shortcode engine, allowing any visitor to have arbitrary shortcodes registered on the site executed server-side and rendered to every subsequent visitor of the page.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| cleantalk | cleantalk_wordpress_plugin | to 6.87 (exc) |
| cleantalk | spam_protection_honeypot_anti_spam | to 6.87 (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-UNKNOWN |
