CVE-2026-102777
Joomla Extension - svenbluege.de - Server-side request forgery in the Google Photos picker in Event Gallery extension < 6.6.0
Published Oct 5, 2026 · updated Oct 14, 2026 · svenbluege.de Event Gallery for Joomla
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.
Timeline
Detection, updates, and resolution for this record.
Oct 5, 2026 · NIST NVD
Detected
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 tok
Oct 14, 2026 · NIST NVD
Updated
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 tok
Affected
- cpe svenbluege/event galleryversion unspecified
- vendor svenbluege.de Event Gallery for Joomlaversion unspecified
Sources
- CIRCL Vulnerability LookupCVE-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
vulnerability.circl.lu - CVE.orgCVE-2026-102777
Official CVE identifier
cve.org - FIRST EPSSCVE-2026-102777
30-day exploitation probability 0.3%
first.org - NIST NVDCVE-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
nvd.nist.gov