High severity8.8NVD Advisory· Published Apr 1, 2026· Updated Apr 9, 2026

CVE-2026-21630

Description

Improperly built order clauses lead to a SQL injection vulnerability in the articles webservice endpoint.

Affected products

Joomla/Joomla!
cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
Range: >=3.0.0,<5.4.4

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

developer.joomla.org/security-centre/1028-20260302-core-sql-injection-in-com-content-articles-webservice-endpoint.htmlnvdVendor Advisory

News mentions

No linked articles in our index yet.

Severity

HighCVSS v3.1

8.8/ 10

CVSS v46.9

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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:X/R:X/V:X/RE:X/U:X

Attack vector: Network
Complexity: Low
Privileges: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

Probability of exploitation in the next 30 days.

0.00%

VYPR risk score

Composite of severity, exploitation, and reach.

0.57high

cvss	0.572
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

Weaknesses

CWE-89
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

CVE ID

CVE-2026-21630

Credits

AM
Antonio Morales from GitHub Security Lab Taskflow Agent
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VF
vnth4nhnt from CyStack
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