High · CVSS 8.7CVE-2026-81567

Joomla Extension - j2commerce.com - Unauthenticated blind SQL injection in the storefront product list in J2Store 1.0.0-3.3.2, 4.0.0-4.0.22, 4.1.0-4.1.7CVE-2026-81567

Answer in brief

CVE-2026-81567 records a High severity (CVSS 8.7) vulnerability in Joomla Extension - j2commerce.com - Unauthenticated blind SQL injection in the storefront product list in J2Store 1.0.0-3.3.2, 4.0.0-4.0.22, 4.1.0-4.1.7. The current sources do not mark it as known exploited. The current feed maps j2commerce.com/J2Store extension for Joomla (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 15, 2026Updated Sep 16, 2026Source checked Oct 30, 2026First seen by HOL Sep 15, 2026Material review Sep 16, 2026

Upstream Advisory

Key facts

Risk: High · CVSS 8.7
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 8.7. 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 j2commerce.com/J2Store extension for Joomla (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
j2commerce.com/J2Store extension for Joomlageneric	1.0.0-3.3.22 \|\| 4.0.0-4.0.22 \|\| 4.1.0-4.1.7	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for j2commerce.com/J2Store extension for Joomla.
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 15, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 16, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 15, 2026

Sources and claim methodology

Source referencej2commerce.com

Upstream source description

Joomla Extension - j2commerce.com - Unauthenticated blind SQL injection in the storefront product list in J2Store 1.0.0-3.3.2, 4.0.0-4.0.22, 4.1.0-4.1.7 - Unauthenticated, blind extraction of arbitrary database content (e.g. customer records, order data, stored credentials/tokens) via boolean- or time-based inference, reachable on any public storefront that exposes the standard product listing or product-tags filter.

Quoted source text, attributed separately from HOL analysis.