Joomla Extension - joomcode.com - Unauthenticated SQL injection in read and write queries in JCTables < 1.21.1 (CVE-2026-76570) | HOL Guard CVE

Critical · CVSS 10.0CVE-2026-76570

Joomla Extension - joomcode.com - Unauthenticated SQL injection in read and write queries in JCTables < 1.21.1

Answer in brief

CVE-2026-76570 records a Critical severity (CVSS 10.0) vulnerability in Joomla Extension - joomcode.com - Unauthenticated SQL injection in read and write queries in JCTables < 1.21.1. The current sources do not mark it as known exploited. The current feed maps joomcode.com/JCTables 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 30, 2026Updated Sep 30, 2026Source checked Sep 30, 2026First seen by HOL Sep 30, 2026Material review Sep 30, 2026

Upstream Advisory

Key facts

Risk: Critical · CVSS 10.0
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 10.0. 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 joomcode.com/JCTables extension for Joomla (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
joomcode.com/JCTables extension for Joomlageneric	1.0.0-1.20.0	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for joomcode.com/JCTables 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 30, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 30, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 30, 2026

Sources and claim methodology

Upstream source description

Joomla Extension - joomcode.com - Unauthenticated SQL injection in read and write queries in JCTables 1.21.1 - The front-end CRUD API controller performs no Joomla token validation and no authentication check on any task. Table names, column names, and values are taken directly from request parameters and concatenated into SQL queries, allowing SQLi for reading and writing queries.

Quoted source text, attributed separately from HOL analysis.