CVE-2026-10581
Deferred Deferred - Pending Action
Server-Side Request Forgery in DedeCMS 5.7.88

Publication date: 2026-06-02

Last updated on: 2026-06-02

Assigner: VulDB

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.
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Meta Information
Published
2026-06-02
Last Modified
2026-06-02
Generated
2026-06-22
AI Q&A
2026-06-02
EPSS Evaluated
2026-06-21
NVD
CVE-2026-10581
EUVD
EUVD-2026-33878
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
dede dedecms 5.7.88
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-918 The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.
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Executive Summary

This vulnerability exists in DedeCMS version 5.7.88 within the base64_decode function of the file /plus/download.php when the parameter 'open=1' is used.

By manipulating the 'Link' argument, an attacker can cause server-side request forgery (SSRF), which allows the attacker to make the server send unauthorized requests to other internal or external resources.

The vulnerability can be exploited remotely, and an exploit has already been published.

Impact Analysis

This vulnerability can lead to server-side request forgery, which may allow an attacker to make the vulnerable server perform unauthorized requests to internal systems or external services.

Such unauthorized requests can potentially expose sensitive information, bypass firewalls, or be used as a pivot point for further attacks within the network.

The CVSS v3.1 score of 6.3 indicates a medium severity impact with potential confidentiality, integrity, and availability impacts.

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