CVE-2025-4839

Public Exploit
itwanger paicoding CrossUtil.java cross-domain policy

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.

Category

2.3
CVSS
Severity: Low
CVSS 4.0 •
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.01%
Third-Party Advisory vuldb.com Third-Party Advisory vuldb.com
Affected: itwanger paicoding
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.309307 vdb entry third party advisory
https://vuldb.com/?ctiid.309307 signature vdb entry permissions required
https://vuldb.com/?submit.574826 vdb entry third party advisory
https://github.com/ShenxiuSec/cve-proofs/blob/main/POC-20250510-02.md exploit

Frequently Asked Questions

What is the severity of CVE-2025-4839?
CVE-2025-4839 has been scored as a low severity vulnerability.
How to fix CVE-2025-4839?
To fix CVE-2025-4839, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-4839 being actively exploited in the wild?
It is possible that CVE-2025-4839 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-4839?
CVE-2025-4839 affects itwanger paicoding.
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