Answer in brief
CVE-2026-65508 records a Critical severity (CVSS 9.3) vulnerability in WordPress Simply Schedule Appointments plugin <= 1.6.12.10 - SQL Injection vulnerability. The current sources do not mark it as known exploited. The current feed maps NSquared/Simply Schedule Appointments (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 9.3. 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 NSquared/Simply Schedule Appointments (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| NSquared/Simply Schedule Appointmentsgeneric | n/a | Not reported |
Published upstream
Aug 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 6, 2026
Unauthenticated SQL Injection in Simply Schedule Appointments <= 1.6.12.10 versions.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-65508 records a Critical severity (CVSS 9.3) vulnerability in WordPress Simply Schedule Appointments plugin <= 1.6.12.10 - SQL Injection vulnerability. The current sources do not mark it as known exploited. The current feed maps NSquared/Simply Schedule Appointments (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 9.3. 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 NSquared/Simply Schedule Appointments (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| NSquared/Simply Schedule Appointmentsgeneric | n/a | Not reported |
Published upstream
Aug 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 6, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 6, 2026
Unauthenticated SQL Injection in Simply Schedule Appointments <= 1.6.12.10 versions.
Quoted source text, attributed separately from HOL analysis.