CVE-2026-19855

MediumCVSS 6.5/10Last 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.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-74

Affected software

VendorProductVersions
UnknownCleanTalk< 6.87

References

Timeline

Published
Sep 9, 2026
Last modified
Sep 9, 2026
NVD status
Deferred

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