Answer in brief
CVE-2026-100506 records a High severity (CVSS 7.2) vulnerability in WordPress WP Spell Check plugin <= 12.1 - PHP Object Injection vulnerability. The current sources do not mark it as known exploited. The current feed maps WP Spell Check/wp-spell-check (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 7.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps WP Spell Check/wp-spell-check (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| WP Spell Check/wp-spell-checkgeneric | >=0 <=12.1 | Not reported |
Published upstream
Oct 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Oct 5, 2026
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.
Quoted source text, attributed separately from HOL analysis.