CVE-2026-102777

Joomla Extension - svenbluege.de - Server-side request forgery in the Google Photos picker in Event Gallery extension < 6.6.0 - The Google Photos picker of the back-end upload page fetches the thumbnails of the picked images through the server, with the OAuth access token of the Google Photos account. The task took the address to fetch from the request without checking it and asked for no form token. A prepared page on another web site could therefore make the server send the access token of the account to any address, or fetch addresses inside the server's network, in the name of a logged in administrator; a back-end user with the permission "Manage" could do the same directly. The token is valid for about an hour and reaches what the picker session of the account reaches.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.svenbluege.de/	Product

Configurations

Configuration 1 (hide)

cpe:2.3:a:svenbluege:event_gallery:*:*:*:*:*:joomla\!:*:*

History

14 Oct 2026, 18:46

Type	Values Removed	Values Added
First Time		Svenbluege Svenbluege event Gallery
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 6.5
CPE		cpe:2.3:a:svenbluege:event_gallery::::::joomla\!::*
References	~~() https://www.svenbluege.de/ -~~	() https://www.svenbluege.de/ - Product

05 Oct 2026, 17:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-05 17:17

Updated : 2026-10-14 18:46

NVD link : CVE-2026-102777

Mitre link : CVE-2026-102777

CVE.ORG link : CVE-2026-102777

JSON object : View

Products Affected

svenbluege

event_gallery

CWE

CWE-918

Server-Side Request Forgery (SSRF)

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