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Description

The Smartcat Translator for WPML plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'routeData' REST endpoint in all versions up to, and including, 3.1.77. This makes it possible for unauthenticated attackers to overwrite the plugin's Smartcat API credentials (account ID, API secret key, hub key, API host, and hub host), effectively hijacking the translation service or causing a denial of service.

PUBLISHED Reserved 2026-03-23 | Published 2026-05-15 | Updated 2026-05-15 | Assigner Wordfence




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

Problem types

CWE-862 Missing Authorization

Product status

Default status
unaffected

Any version
affected

Timeline

2026-05-14:Disclosed

Credits

Alexis Lafontaine finder

References

www.wordfence.com/...-eddf-466b-b810-1e2f45afd291?source=cve

plugins.trac.wordpress.org/...rollers/CallbackController.php

plugins.trac.wordpress.org/...des/Services/Plugin/Router.php

plugins.trac.wordpress.org/changeset/3524382/

cve.org (CVE-2026-4683)

nvd.nist.gov (CVE-2026-4683)

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