RyCms Security Advisory: Arbitrary Field Injection, File Read, XSS & Default Creds

RyCms Multi-Vulnerability Security Report Summary Vulnerability Overview RyCms contains multiple critical security vulnerabilities, including: 1. Arbitrary Model Field Injection (#1) 2. Arbitrary Field Injection During Account Update/Password Reset (#2) 3. Default Administrator Credential Disclosure (#3) 4. Arbitrary File Read via Backend Backup (#4) 5. Double Filtering Bypass Leading to XSS (#5) 6. Anonymous Users Able to Edit External Data (#6) These vulnerabilities allow attackers to execute arbitrary code, read sensitive files, steal administrator credentials, perform cross-site scripting attacks, and more. --- Impact Scope Affected Versions: RyCms 1.0.0 to 1.0.2 (some vulnerabilities affect all versions) Affected Components: - Model field processing logic - Account update/password reset functionality - Default administrator account - Backend backup functionality - Input filtering mechanisms - External data editing permissions --- Remediation Steps 1. Arbitrary Model Field Injection: - Fix the model field processing logic to prevent arbitrary field injection. - Update to the latest version (1.0.3+). 2. Arbitrary Field Injection During Account Update/Password Reset: - Fix the field processing logic in the account update and password reset functions. - Update to the latest version (1.0.3+). 3. Default Administrator Credential Disclosure: - Change the default administrator credentials. - Enforce the setting of new credentials during initial installation. 4. Arbitrary File Read via Backend Backup: - Fix the backend backup functionality to restrict file read permissions. - Update to the latest version (1.0.3+). 5. Double Filtering Bypass Leading to XSS: - Fix the input filtering mechanism to prevent double filtering bypasses. - Update to the latest version (1.0.3+). 6. Anonymous Users Able to Edit External Data: - Fix external data editing permissions to restrict access by anonymous users. - Update to the latest version (1.0.3+). --- POC or Exploit Code 1. Arbitrary Model Field Injection 2. Arbitrary Field Injection During Account Update/Password Reset 3. Default Administrator Credential Disclosure 4. Arbitrary File Read via Backend Backup 5. Double Filtering Bypass Leading to XSS 6. Anonymous Users Able to Edit External Data --- Conclusion RyCms contains multiple critical security vulnerabilities. It is recommended to immediately update to the latest version (1.0.3+) and apply the remediation steps listed above. Additionally, regularly review system security configurations, ensure default credentials have been changed, and restrict unnecessary permissions.

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RyCms Security Advisory: Arbitrary Field Injection, File Read, XSS & Default Creds

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