QT KenthaRadio < 2.0.2 & OnAir2 < 3.9.9.2 - Server-Side Request Forgery & Remote File Inclusion
Strategic Overview
- Status
- Patched in 2.0.2
- Affected Theme
- KenthaRadio - Addon for Kentha Music WordPress Theme To Add Radio Station and Schedule Functionality
- Affected Version
< 2.0.2- CVSS
- 9.8Critical
- Weakness type
- CWE-918 · Server-Side Request Forgery (SSRF)
- CVE
CVE-2021-24472
At a glance
CVE-2021-24472 is a critical-severity Server-Side Request Forgery (SSRF) vulnerability in the KenthaRadio - Addon for Kentha Music WordPress Theme To Add Radio Station and Schedule Functionality WordPress theme, affecting versions < 2.0.2. It carries a CVSS score of 9.8 (reachable over the network; low attack complexity; high confidentiality, integrity, availability impact). Exploitation requires no authentication. The issue is fixed in version 2.0.2; sites on affected versions should update now. Disclosed June 2021, reported by Andreas Klöbl.
Vulnerability Overview
The OnAir2 WordPress theme before 3.9.9.2 and QT KenthaRadio WordPress plugin before 2.0.2 have exposed proxy functionality to unauthenticated users, sending requests to this proxy functionality will have the web server fetch and display the content from any URI, this would allow for SSRF (Server Side Request Forgery) and RFI (Remote File Inclusion) vulnerabilities on the website.
Technical Analysis
The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site, and no interaction from a victim user. A successful exploit has high impact on confidentiality, integrity, availability — full site compromise territory.
CWE-918: Server-Side Request Forgery (SSRF)
Reaching this weakness in KenthaRadio - Addon for Kentha Music WordPress Theme To Add Radio Station and Schedule Functionality < 2.0.2 takes a caller who can reach the endpoint. Server-side request forgery means the application fetches a URL supplied by the caller, turning the server into a proxy for requests the attacker could not make directly.
The request originates from inside the hosting network, which is how these flaws reach cloud metadata endpoints, internal admin panels and services that trust local traffic. For KenthaRadio - Addon for Kentha Music WordPress Theme To Add Radio Station and Schedule Functionality the fix is 2.0.2: builds < 2.0.2 are affected, anything from 2.0.2 onward is not.
Remediation
Update to version 2.0.2, or a newer patched version
How does WordSec protect against this?
The attempt arrives as an ordinary request to KenthaRadio - Addon for Kentha Music WordPress Theme To Add Radio Station and Schedule Functionality: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: KenthaRadio - Addon for Kentha Music WordPress Theme To Add Radio Station and Schedule Functionality 2.0.2 closes this, and updating the theme is the step that ends it.
- Firewall
- Alerts
External References
Related records
Other vulnerabilities in KenthaRadio - Addon for Kentha Music WordPress Theme To Add Radio Station and Schedule Functionality
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