Which versions of diyhi bbs are affected by CVE-2025-6453?

Organizations using A vulnerability classified as critical should be aware of moderate risk from CVE-2025-6453, a path traversal vulnerability rated CVSS 6.3.

Is there a public PoC exploit available for CVE-2025-6453?

Yes, a public proof-of-concept exploit is available for CVE-2025-6453. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-6453?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Review file handling controls.

diyhi bbs CVE-2025-6453

Q: What is the CVSS score of CVE-2025-6453?

CVE-2025-6453 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: 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/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. EPSS exploitation probability: 0.1%.

EUVD-2025-18832 LOW

Path Traversal (CWE-22)

2025-06-22 cna@vuldb.com

Java Path Traversal Bbs Diyhi

2.1

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.1 LOW

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/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

vuln.today AI

5.4 MEDIUM

Requires authentication (PR:L), low impact on confidentiality and integrity, no availability impact.

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

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

Primary rating from NVD.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

6.3 (MEDIUM) 2.1 (LOW)

EUVD ID Assigned

Mar 15, 2026 - 21:55 euvd

EUVD-2025-18832

Analysis Generated

Mar 15, 2026 - 21:55 vuln.today

PoC Detected

Sep 04, 2025 - 15:47 vuln.today

Public exploit code

CVE Published

Jun 22, 2025 - 03:15 nvd

MEDIUM 6.3

CVE Published

Jun 22, 2025 - 03:15 cve.org

LOW 2.1

DescriptionCVE.org

A vulnerability classified as critical has been found in diyhi bbs 6.8. Affected is the function Add of the file /src/main/java/cms/web/action/template/ForumManageAction.java of the component API. The manipulation of the argument dirName leads to path traversal. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

AnalysisAI

Path traversal vulnerability in diyhi bbs 6.8 allows remote authenticated attackers to read or write arbitrary files via the dirName parameter in the ForumManageAction API. Public exploit code is available, but no active exploitation has been reported.

Technical ContextAI

The vulnerability is a path traversal (CWE-22) in the Java-based diyhi bbs application, specifically in the ForumManageAction.java file. The affected product is identified by CPE cpe:2.3:a:diyhi:bbs:6.8:*:*:*:*:*:*:*. The flaw allows manipulation of the dirName argument to traverse directories outside the intended scope.

RemediationAI

No official patch has been released by the vendor. As a workaround, restrict access to the ForumManageAction API to trusted users only, or disable the affected functionality if possible. Input validation on the dirName parameter should be implemented to prevent path traversal. Monitor for any vendor updates.