All Bootstrap Blocks <= 1.3.31 - Contributor+ Stored XSS via areoi/button type Attribute (CVE-2026-88993) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-88993

All Bootstrap Blocks <= 1.3.31 - Contributor+ Stored XSS via areoi/button type Attribute

Answer in brief

CVE-2026-88993 records a Unknown severity 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). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 18, 2026Updated Sep 18, 2026Source checked Sep 18, 2026First seen by HOL Sep 18, 2026Material review Sep 18, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

A CVSS score is not reported in the current record. 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.

Affected scope and exposure questions

The current feed maps Unknown/All Bootstrap Blocks (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Unknown/All Bootstrap Blocksgeneric	0	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for Unknown/All Bootstrap Blocks.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 18, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 18, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 18, 2026

Sources and claim methodology

Source referencewpscan.com

Upstream source description

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.