CVE-2026-97165 PUBLISHED

Joomla Extension - svenbluege.de - Reflected XSS and open redirect in Event Gallery extension < 6.5.0

Assigner: Joomla
Reserved: 24.09.2026 Published: 27.09.2026 Updated: 27.09.2026

Joomla Extension - svenbluege.de - Reflected XSS and open redirect in Event Gallery extension < 6.5.0 - The “return” parameter is base64-decoded and written to the “Back” link without being validated.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CVSS Score: 5.3

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

CVSS 4.0

Product Status

Vendor	svenbluege.de
Product	Event Gallery for Joomla
Versions	Default: unaffected Version 1.0.0-6.0.0 is affected

References

https://www.svenbluege.de/

Problem Types

CWE-601 URL Redirection to Untrusted Site ('Open Redirect') CWE
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE