CVE-2026-76800— DeDeCMS select_media_post.php unrestricted upload
Quick assessment
Affected
n/a DeDeCMS
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 DeDeCMS 3 中发现了一个安全漏洞。该漏洞影响 文件中的一个未知功能。通过操纵 参数，攻击者可以实现不受限制的上传。此漏洞可以远程利用，且相关利用代码已经公开，可能被恶意使用。
Possible ATT&CK Techniques 2 AI
T1505 · Server Software Component T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-76800
Vulnerability Information
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Vulnerability Title
DeDeCMS select_media_post.php unrestricted upload
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in DeDeCMS 3. Affected by this vulnerability is an unknown functionality of the file /include/dialog/select_media_post.php. Executing a manipulation of the argument uploadfile can lead to unrestricted upload. The attack can be executed remotely. The exploit has been published and may be used.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | DeDeCMS | 3 |
cpe:2.3:a:dedecms:dedecms:*:*:*:*:*:*:*:*
|
|
II. Public POCs for CVE-2026-76800
| # | POC Description | Source Link | Shenlong Link |
|---|
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Security Blog Posts for CVE-2026-76800 (1)
Same Patch Batch · n/a · 2026-08-20 · 4 CVEs total
| CVE-2026-76783 | 7.3 HIGH | DeDeCMS advancedsearch.php sql injection |
| CVE-2026-52021 | 100xdevs CMS v1.0信息泄露漏洞 | |
| CVE-2025-52182 | LS2 Admin v5.7-v5.8.0信息泄露漏洞 |
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