HIGHCVSS v4 8.9Vulnerability

CVE-2026-117543

Joomla Extension - jdownloads.com - SSRF via external download URL field jDownloads < 4.1.8 - HTTP redirects when retrieving external download URLs could bypass validation of the original destination. This allowed server-side requests to internal or otherwise prohibited destinations and disclosure of their responses (SSRF).

Properties

Severity
HIGH
Nvd fetched at
2026-11-14T00:40:25.638091+00:00
Epss score
0.00275
Cvss severity
HIGH
Cvss score
8.9
Retrieved at
2026-11-14T00:51:03+00:00
Last source
FIRST EPSS
Score
8.9
Cvss version
4.0
Cve id
CVE-2026-117543
Cvss vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
First seen by Signal
2026-11-12T19:59:23+00:00
Name
CVE-2026-117543
Vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Published at
2026-11-12T18:17:15.503
Last modified
2026-11-12T22:18:32.800
Epss percentile
0.20107

Related Entities (1)

HAS_WEAKNESS (1)

Related research

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CVE-2026-117543 (CVSS v4 8.9) — Ninja Signal Threat Intelligence | Ninja Signal