CVE-2026-100506

WordPress WP Spell Check plugin <= 12.1 - PHP Object Injection vulnerability

State: Published
Severity: 7.2 High
Published: Oct 5, 2026
Updated: Oct 6, 2026
Reserved: Sep 26, 2026

Description

Deserialization of Untrusted Data vulnerability in WP Spell Check WP Spell Check wp-spell-check allows Object Injection.This issue affects WP Spell Check: from n/a through 12.1.

Scores

CVSS	Score	Vector	Source
3.1	7.2 High	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	Patchstack

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
WP Spell CheckWP Spell Check	12.1 and earlierAffectedfrom 12.2Not affected

References

https://patchstack.com/database/wordpress/plugin/wp-spell-check/vulnerability/wordpress-wp-spell-check-plugin-12-1-php-object-injection-vulnerability?_s_id=cvevdb-entry

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