CVE-2026-19855

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CVSS 3.1

6.5 medium

EPSS

<1%p8

Published

Sep 9, 2026 (6d ago)

Modified

Sep 9, 2026

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.

Ecosystems: WordPress
Weakness: CWE-74
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.2%)

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