Home

Description

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.

PUBLISHED Reserved 2026-06-01 | Published 2026-06-02 | Updated 2026-06-02 | Assigner VulDB




MEDIUM: 5.3CVSS: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
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Server-Side Request Forgery

Timeline

2026-06-01:Advisory disclosed
2026-06-01:VulDB entry created
2026-06-01:VulDB entry last update

Credits

R21Z20 (VulDB User) reporter

VulDB Vulnerability Moderation Team coordinator

References

vuldb.com/vuln/367676 (VDB-367676 | DedeCMS download.php base64_decode server-side request forgery) vdb-entry technical-description

vuldb.com/vuln/367676/cti (VDB-367676 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-10581 (CVE-2026-10581 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/829404 (Submit #829404 | DedeCMS DedeCMS Content Management System v5.7.88 Server-Side Request Forgery (SSRF) / Open Redirect) third-party-advisory

cve.org (CVE-2026-10581)

nvd.nist.gov (CVE-2026-10581)

Download JSON