What’s Vulnerable › Vulnerabilities

CVE-2025-3830: kuangstudy KuangSimpleBBS QuestionController.java fileUpload unrestricted upload

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-04-20 · updated 2026-06-17
• Weakness: CWE-284

Description

A vulnerability was found in kuangstudy KuangSimpleBBS 1.0. It has been declared as critical. Affected by this vulnerability is the function fileUpload of the file src/main/java/com/kuang/controller/QuestionController.java. The manipulation of the argument editormd-image-file leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products

• kuangstudy KuangSimpleBBS: 1.0

References

• https://github.com/caigo8/CVE-md/blob/main/KuangSimpeBBS/%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E4%B8%8A%E4%BC%A0.md
• https://vuldb.com/?ctiid.305737
• https://vuldb.com/?id.305737
• https://vuldb.com/?submit.556133

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