Answer in brief
CVE-2026-88993 records a Medium severity (CVSS 6.8) vulnerability in All Bootstrap Blocks <= 1.3.31 - Contributor+ Stored XSS via areoi/button type Attribute. The current sources do not mark it as known exploited. The current feed maps Unknown/All Bootstrap Blocks (generic), Unknown/All Bootstrap Blocks (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 6.8. 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 Unknown/All Bootstrap Blocks (generic), Unknown/All Bootstrap Blocks (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/All Bootstrap Blocksgeneric | 0 | Not reported |
| Unknown/All Bootstrap Blocksgeneric | >=0 <=1.3.31 | Not reported |
Published upstream
Sep 18, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 18, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 18, 2026
The All Bootstrap Blocks WordPress plugin through 1.3.31 does not properly escape a block attribute before outputting it in HTML tag-name position, allowing users with Contributor-level access and above to inject arbitrary web scripts that execute when the affected content is viewed.
Quoted source text, attributed separately from HOL analysis.