CVE-2025-4839HIGH 8.1EPSS p16.3%

CVE-2025-4839CVE-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.

Scoring

CVSS 3.18.1 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
EPSS0.25% probability of exploitation · percentile 16.3% · 2026-06-19T12:03:05Z
Published2025-05-17
Last modified2025-06-04

Underlying weaknesses· 2

CWE-346CWE-942

References

  1. https://github.com/ShenxiuSec/cve-proofs/blob/main/POC-20250510-02.md
  2. https://vuldb.com/?ctiid.309307
  3. https://vuldb.com/?id.309307
  4. https://vuldb.com/?submit.574826
  5. https://github.com/ShenxiuSec/cve-proofs/blob/main/POC-20250510-02.md

2

TypeTargetConfidenceTier
WeaknessOrigin Validation Errorcwe-3460%live
WeaknessPermissive Cross-domain Security Policy with Untrusted Domainscwe-9420%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
CVE-2025-4887
CVE
CVE-2025-9609
CVE
CVE-2025-9687
CVE
CVE-2025-2218
CVE
CVE-2025-48287
CVE
CVE-2025-11048
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.