DedeBIZ File Extension media_add.php unrestricted upload

published 2024-08-18 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-48744

cvss: 6.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits: 0; none known

A vulnerability was found in DedeBIZ 6.3.0. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file admin/media_add.php of the component File Extension Handler. The manipulation of the argument upfile1 leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-08-19)

Exploit prediction

0.72% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/DeepMountains/Mirage/blob/main/CVE17-1.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	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
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA	3.0	6.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CNA	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P
CNA	4.0	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:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

n/a DedeBIZ
dedebiz dedebiz

Classification

Weakness

CWE-434 Unrestricted Upload of File with Dangerous Type

References

github.com /DeepMountains/Mirage/blob/main/CVE17-1.md
exploit
vuldb.com /?id.275029
vdb-entry, technical-description, permissions-required, third-party-advisory
vuldb.com /?ctiid.275029
signature, permissions-required, third-party-advisory, vdb-entry
vuldb.com /?submit.388360
third-party-advisory, vdb-entry

Sources

CVE List CVE-2024-7903
NVD CVE-2024-7903

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary