CVE-2021-30492
Lack of Input Validation in zendesk_api_client_php for Zendesk Subdomain
Impact
Lack of input validation of the Zendesk subdomain could expose users of the library to Server Side Request Forgery (SSRF).
Resolution
Validate the provided Zendesk subdomain to be a valid subdomain in:
- getAuthUrl
- getAccessToken
What each source reports
GitHub AdvisoriesGHSA-q348-f93x-9gx4 No score
Lack of Input Validation in zendesk_api_client_php for Zendesk Subdomain
Impact
Lack of input validation of the Zendesk subdomain could expose users of the library to Server Side Request Forgery (SSRF).
Resolution
Validate the provided Zendesk subdomain to be a valid subdomain in:
- getAuthUrl
- getAccessToken
- Record
GHSA-q348-f93x-9gx4- Weakness
- CWE-20, CWE-918
- Updated
- 2026-11-02
OSVGHSA-q348-f93x-9gx4 No score
Lack of Input Validation in zendesk_api_client_php for Zendesk Subdomain
Impact
Lack of input validation of the Zendesk subdomain could expose users of the library to Server Side Request Forgery (SSRF).
Resolution
Validate the provided Zendesk subdomain to be a valid subdomain in:
- getAuthUrl
- getAccessToken
- Record
GHSA-q348-f93x-9gx4- Weakness
- CWE-20, CWE-918
- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
zendesk/zendesk_api_client_phpPackagist |
before 2.2.11 | 2.2.11 |
zendesk/zendesk_api_client_phpPackagist |
before 2.2.11, plus listed versions 2.0.0-beta2.0.9v1.0.0v1.1.0v1.1.1 Show 32 moreShow lessv1.1.2v1.2.0v1.2.1v2.0.3v2.0.4v2.0.5v2.0.6v2.0.7v2.0.8v2.1.0v2.1.1v2.1.10v2.1.11v2.1.2v2.1.3v2.1.4v2.1.5v2.1.6v2.1.7v2.1.8v2.1.9v2.2.0v2.2.1v2.2.10v2.2.2v2.2.3v2.2.4v2.2.5v2.2.6v2.2.7v2.2.8v2.2.9 |
2.2.11 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-30492 is a vulnerability with no CVSS score yet in zendesk/zendesk_api_client_php, published April 29, 2021. No source lists public exploit code. Fixed in zendesk/zendesk_api_client_php 2.2.11.