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

published 2026-09-30 39 d ago modified 2026-10-06 33 d ago also EUVD-2026-89987

cvss: 9.1; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits: 0; none known

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.

Patch / fix

fixed in 1

joomcode jc_tables 1.21.1

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 39 d ago (2026-09-30)

Exploit prediction

0.46% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	10.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/AU:Y
CNA	4.0	10.0	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:X
NVD	3.1	9.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

joomcode.com JCTables extension for Joomla

Classification

Weakness

CWE-89 Improper Neutralization of Special Elements used in an SQL Command

References

joomcode.com /
product
vulncheck.com /blog/jctables-unauthenticated-sql-rw-to-rce
third-party-advisory

Sources

CVE List CVE-2026-76570
NVD CVE-2026-76570

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary