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TI-2025-04334 Aliases CVE-2025-4839GHSA-vq5p-c2v7-53v5

itwanger paicoding CrossUtil.java cross-domain policy

Priority MEDIUM 45CWE-346Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
High
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-346.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00306 23rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
itwangerpaicoding1.0.0; 1.0.1; 1.0.2; 1.0.3—No fix listedCNA
  • paicoding Vendoritwanger Affected 1.0.0; 1.0.1; 1.0.2; 1.0.3 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:itwanger:paicoding:1.0.0:*:*:*:*:*:*:*1.0.0Vulnerableitwanger
cpe:2.3:a:itwanger:paicoding:1.0.1:*:*:*:*:*:*:*1.0.1Vulnerableitwanger
cpe:2.3:a:itwanger:paicoding:1.0.2:*:*:*:*:*:*:*1.0.2Vulnerableitwanger
cpe:2.3:a:itwanger:paicoding:1.0.3:*:*:*:*:*:*:*1.0.3Vulnerableitwanger
  • cpe:2.3:a:itwanger:paicoding:1.0.0:*:*:*:*:*:*:* Versions 1.0.0 Vulnerable ·itwanger
  • cpe:2.3:a:itwanger:paicoding:1.0.1:*:*:*:*:*:*:* Versions 1.0.1 Vulnerable ·itwanger
  • cpe:2.3:a:itwanger:paicoding:1.0.2:*:*:*:*:*:*:* Versions 1.0.2 Vulnerable ·itwanger
  • cpe:2.3:a:itwanger:paicoding:1.0.3:*:*:*:*:*:*:* Versions 1.0.3 Vulnerable ·itwanger

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-4839
  2. 2026-10-03 Alias added: GHSA-vq5p-c2v7-53v5

References

Exploit 1

  • TI-2026-02837 itwanger paicoding Image Save Endpoint ImageRestController.java save server-side request forgery CVSS 4.0MEDIUM 5.3
  • TI-2025-03510 itwanger paicoding Article post improper authorization CVSS 4.0MEDIUM 5.3
  • TI-2025-03509 itwanger paicoding Browsing History home information disclosure CVSS 4.0MEDIUM 5.3
  • TI-2025-03508 itwanger paicoding post cross site scripting CVSS 4.0MEDIUM 5.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences