CVE-2025-3566 | THREATINT

Description

A vulnerability, which was classified as critical, has been found in veal98 小牛肉 Echo 开源社区系统 4.2. This issue affects the function uploadMdPic of the file /discuss/uploadMdPic. The manipulation of the argument editormd-image-file leads to unrestricted upload. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Eine Schwachstelle wurde in veal98 小牛肉 Echo 开源社区系统 4.2 entdeckt. Sie wurde als kritisch eingestuft. Dies betrifft die Funktion uploadMdPic der Datei /discuss/uploadMdPic. Mittels Manipulieren des Arguments editormd-image-file mit unbekannten Daten kann eine unrestricted upload-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk passieren. Der Exploit steht zur öffentlichen Verfügung.

PUBLISHED Reserved 2025-04-13 | Published 2025-04-14 | Updated 2025-08-26 | Assigner VulDB

MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

HIGH: 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

HIGH: 7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

Problem types

Unrestricted Upload

Improper Access Controls

Product status

4.2

affected

Timeline

2025-04-13:	VulDB entry created
2025-04-14:	Advisory disclosed
2025-04-14:	VulDB entry last update

Credits

Caigo (VulDB User) reporter

References

vuldb.com/?id.304607 (VDB-304607 | veal98 小牛肉 Echo 开源社区系统 uploadMdPic unrestricted upload) vdb-entry technical-description

vuldb.com/?ctiid.304607 (VDB-304607 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/?submit.549509 (Submit #549509 | https://gitee.com/veal98/Echo Echo 4.2 Unrestricted Upload of File with Dangerous Type) third-party-advisory

github.com/.../blob/main/Echo/未授权任意文件上传.md exploit

cve.org (CVE-2025-3566)

nvd.nist.gov (CVE-2025-3566)

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