Vulnerability · Published Oct 5, 2026 · Assigned by Patchstack
CVE-2026-100506WordPress WP Spell Check plugin <= 12.1 - PHP Object Injection vulnerability
High 7.2
In plain English
A high-severity unsafe deserialization in WP Spell Check from WP Spell Check. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).
Severity (CVSS 3.1)7.2High
Exploit odds (30 days)0.4%top 70.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| WP Spell Check | WP Spell Check | 0 – through 12.1 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H