CF Image Hosting Script 1.6.5 allows unauthenticated attackers to download and decode the application database by accessing the imgdb.db file in the upload/data directory. Attackers can extract delete IDs stored in plaintext from the deserialized database and use them to delete all pictures via the d parameter.
https://www.vulncheck.com/advisories/cf-image-hosting-script-unauthorized-database-access
https://www.exploit-db.com/exploits/46094
Published: 2026-04-12
Updated: 2026-04-12
Base Score: 10
Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C
Severity: Critical
Base Score: 9.8
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
Base Score: 9.3
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Severity: Critical