CVE-2026-10581CWE-918

DedeCMS download.php base64_decode server-side request forgery

Medium · published June 2, 2026

CVSS v4.0
5.3
EPSS
0%
Percentile
9.5
In the wild
Unconfirmed
What it is

A flaw has been found in DedeCMS 5.7.88. Affected by this vulnerability is the function base64_decode of the file /plus/download.php?open=1. This manipulation of the argument Link causes server-side request forgery. Remote exploitation of the attack is possible. The exploit has been published and may be used.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00201 · 9.5th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-06-02T02:30Z
EPSS history
Timeline
  • 02 JUN 02:30Z
    DedeCMS download.php base64_decode server-side request forgery
    cvelistv5