Answer in brief
CVE-2026-66456 records a Medium severity (CVSS 6.5) vulnerability in WordPress Profile Extra Fields by BestWebSoft plugin <= 1.3.4 - Cross Site Scripting (XSS) vulnerability. The current sources do not mark it as known exploited. The current feed maps bestwebsoft/Profile Extra Fields by BestWebSoft (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 6.5. 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 bestwebsoft/Profile Extra Fields by BestWebSoft (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| bestwebsoft/Profile Extra Fields by BestWebSoftgeneric | n/a | Not reported |
Published upstream
Aug 13, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 13, 2026
Subscriber Cross Site Scripting (XSS) in Profile Extra Fields by BestWebSoft <= 1.3.4 versions.
Quoted source text, attributed separately from HOL analysis.