itwanger paicoding 1.0.0/1.0.1/1.0.2/1.0.3 CrossUtil.java cross-domain policy
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 2.9 | $0-$5k | 0.00 |
Summary
A vulnerability was found in itwanger paicoding 1.0.0/1.0.1/1.0.2/1.0.3. It has been classified as critical. This impacts an unknown function of the file /paicoding-core/src/main/java/com/github/paicoding/forum/core/util/CrossUtil.java. This manipulation causes cross-domain policy. This vulnerability is tracked as CVE-2025-4839. The attack is possible to be carried out remotely. Moreover, an exploit is present.
Details
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 code block of the file /paicoding-core/src/main/java/com/github/paicoding/forum/core/util/CrossUtil.java. The manipulation with an unknown input leads to a cross-domain policy vulnerability. The CWE definition for the vulnerability is CWE-942. The product uses a cross-domain policy file that includes domains that should not be trusted. As an impact it is known to affect integrity.
It is possible to read the advisory at github.com. This vulnerability is known as CVE-2025-4839. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details and also a public exploit are known.
It is possible to download the exploit at github.com. It is declared as proof-of-concept.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-15611). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CNA CVSS-B Score: 🔍
CNA CVSS-BT Score: 🔍
CNA Vector: 🔍
CVSSv3
VulDB Meta Base Score: 3.1VulDB Meta Temp Score: 2.9
VulDB Base Score: 3.1
VulDB Temp Score: 2.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 3.1
CNA Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Cross-domain policyCWE: CWE-942 / CWE-346 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
05/16/2025 🔍05/16/2025 🔍
05/18/2025 🔍
Sources
Advisory: github.comStatus: Not defined
CVE: CVE-2025-4839 (🔍)
GCVE (CVE): GCVE-0-2025-4839
GCVE (VulDB): GCVE-100-309307
EUVD: 🔍
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 05/16/2025 16:45Updated: 05/18/2025 23:40
Changes: 05/16/2025 16:45 (54), 05/18/2025 04:05 (30), 05/18/2025 23:40 (1)
Complete: 🔍
Submitter: ShenxiuSecurity
Cache ID: 216::103
Submit
Accepted
- Submit #574826: itwanger paicoding from version 1.0.0 to 1.0.3 Permissive Cross-domain Policy with Untrusted Domains (by ShenxiuSecurity)
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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