CVE-2025-4839

Description

A vulnerability has been found in itwanger paicoding 1.0.0/1.0.1/1.0.2/1.0.3 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file /paicoding-core/src/main/java/com/github/paicoding/forum/core/util/CrossUtil.java. The manipulation leads to permissive cross-domain policy with untrusted domains. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used.

CVSS v3.1 Score

3.1

LOW

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

Weakness Type (CWE)

CWE-346 CWE-346

CWE-942 CWE-942

Affected Products

Vendor	Product	Versions
itwanger	paicoding	All
itwanger	paicoding	All
itwanger	paicoding	All
itwanger	paicoding	All

References

Exploits

https://github.com/ShenxiuSec/cve-proofs/blob/main/POC-20250510-02.md https://github.com/ShenxiuSec/cve-proofs/blob/main/POC-20250510-02.md

Other References

https://vuldb.com/?ctiid.309307 https://vuldb.com/?id.309307 https://vuldb.com/?submit.574826

Frequently Asked Questions

What is CVE-2025-4839? +

A vulnerability has been found in itwanger paicoding 1.0.0/1.0.1/1.0.2/1.0.3 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file /paicoding-core/src/main/java/com/github/paicoding/forum/core/util/CrossUtil.java. The manipulation leads to permissive cross-domain policy with untrusted domains. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. It has a CVSS v3.1 base score of 3.1 (LOW).

How severe is CVE-2025-4839? +

CVE-2025-4839 has a CVSS v3.1 score of 3.1 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-4839? +

CVE-2025-4839 affects products from itwanger, specifically: paicoding. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-4839? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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