CVE-2026-58148 PUBLISHED

Joomla Extension - chronoengine.com - Stored XSS in ChronoForms extension for Joomla < 8.0.53

Assigner: Joomla
Reserved: 29.06.2026 Published: 17.07.2026 Updated: 17.07.2026

The Joomla extension ChronoForms is vulnerable to an unauthenticated stored XSS vulnerability.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 8.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	Passive

CVSS 4.0

Vendor	chronoengine.com
Product	ChronoForms extension for Joomla
Versions	Default: unaffected Version 1.0-8.0.52 is affected

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE