KUNO CMS is a fully deployable full-stack blog application. In versions prior to 1.3.15, an SSRF (Server-Side Request Forgery) vulnerability exists in the Media module of the Kuno CMS administrative panel. A logged-in administrator can upload a specially crafted SVG file containing an external image reference, causing the server to initiate an outgoing connection to an arbitrary external URL. This can lead to information disclosure or internal network probing. Version 1.3.15 contains a fix for the issue.
https://github.com/xuemian168/kuno/security/advisories/GHSA-4f5f-2c49-5mwm
https://github.com/xuemian168/kuno/releases/tag/v1.3.15
https://github.com/xuemian168/kuno/commit/804b2909c65b16ae2063d0f992e0711aa09475e2
Published: 2025-10-06
Updated: 2026-04-15
Base Score: 3.5
Vector: CVSS2#AV:N/AC:M/Au:S/C:P/I:N/A:N
Severity: Low
Base Score: 4.9
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Severity: Medium
Base Score: 5.1
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:L/SC:L/SI:N/SA:N
Severity: Medium
EPSS: 0.00068