CWE-942
Permissive Cross-domain Security Policy with Untrusted Domains
The product uses a web-client protection mechanism such as a Content Security Policy (CSP) or cross-domain policy file, but the policy includes untrusted domains with which the web client is allowed to communicate.
CVE-2025-25264 (GCVE-0-2025-25264)
Vulnerability from cvelistv5
Published
2025-06-16 09:45
Modified
2025-07-04 07:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-942 - Permissive Cross-domain Policy with Untrusted Domains
Summary
An unauthenticated remote attacker can take advantage of the current overly permissive CORS policy to gain access and read the responses, potentially exposing sensitive data or enabling further attacks.
References
Impacted products
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CVE-2025-27909 (GCVE-0-2025-27909)
Vulnerability from cvelistv5
Published
2025-08-18 14:00
Modified
2025-08-18 14:12
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-942 - Permissive Cross-domain Policy with Untrusted Domains
Summary
IBM Concert Software 1.0.0 through 1.1.0 uses cross-origin resource sharing (CORS) which could allow an attacker to carry out privileged actions as the domain name is not being limited to only trusted domains.
References
| ▼ | URL | Tags |
|---|---|---|
| https://www.ibm.com/support/pages/node/7242354 | vendor-advisory, patch |
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| IBM | Concert Software |
Version: 1.0.0 ≤ 1.1.0 cpe:2.3:a:ibm:concert:1.0.0:*:*:*:*:*:*:* cpe:2.3:a:ibm:concert:1.0.1:*:*:*:*:*:*:* |
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CVE-2025-57755 (GCVE-0-2025-57755)
Vulnerability from cvelistv5
Published
2025-08-21 16:21
Modified
2025-08-21 17:31
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
claude-code-router is a powerful tool to route Claude Code requests to different models and customize any request. Due to improper Cross-Origin Resource Sharing (CORS) configuration, there is a risk that user API Keys or equivalent credentials may be exposed to untrusted domains. Attackers could exploit this misconfiguration to steal credentials, abuse accounts, exhaust quotas, or access sensitive data. The issue has been patched in v1.0.34.
References
| ▼ | URL | Tags |
|---|---|---|
| https://github.com/musistudio/claude-code-router/security/advisories/GHSA-8hmm-4crw-vm2c | x_refsource_CONFIRM |
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| musistudio | claude-code-router |
Version: < 1.0.34 |
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Mitigation
Phases: Architecture and Design, Operation
Strategy: Attack Surface Reduction
Description:
- Define a restrictive Content Security Policy [REF-1486] or cross-domain policy file.
Mitigation
Phases: Architecture and Design, Operation
Strategy: Attack Surface Reduction
Description:
- Avoid using wildcards in the CSP / cross-domain policy file. Any domain matching the wildcard expression will be implicitly trusted, and can perform two-way interaction with the target server.
Mitigation
Phases: Architecture and Design, Operation
Strategy: Environment Hardening
Description:
- For Flash, modify crossdomain.xml to use meta-policy options such as 'master-only' or 'none' to reduce the possibility of an attacker planting extraneous cross-domain policy files on a server.
No CAPEC attack patterns related to this CWE.