Vulnerability in Itwanger Paicoding
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.
EPSS: 0.003 (18.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Itwanger Paicoding — versions 1.0.0, 1.0.1, 1.0.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cna@vuldb.com (VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (Exploit, exploit)
Frequently asked questions
- What is CVE-2025-4839?
- CVE-2025-4839 is a low-severity vulnerability in Itwanger Paicoding, classified under Origin Validation Error. CVSS score: 3.1/10. Published 2025-05-17.
- How severe is CVE-2025-4839?
- Low severity. CVSS v3 base score is 3.1 out of 10.
- Is CVE-2025-4839 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.