CVE-2026-76800CWE-284CWE-434broken-access-controlunrestricted-file-upload

CVE-2026-76800

Medium · published August 20, 2026

CVSS v3.1
6.3
EPSS
0%
Percentile
27.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
5.3 · 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
0.00347 · 27.1th percentile
Weaknesses
CWE-284 · Improper Access Control; CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-08-20T07:16Z
References (5)
https://uvxbywu62qm.feishu.cn/wiki/TKqDwJGYaiBVXpk3EtFcdjRDnsg?from=from_copylink · [email protected]https://vuldb.com/cve/CVE-2026-76800 · [email protected]https://vuldb.com/submit/880081 · [email protected]https://vuldb.com/vuln/393317 · [email protected]https://vuldb.com/vuln/393317/cti · [email protected]
EPSS history
Timeline
  • 20 AUG 02:00Z
    DeDeCMS select_media_post.php unrestricted upload
    cvelistv5