Strategic Overview
- Status
- Patched in 5.0.6
- Affected Plugin
- Multi Rating
- Affected Version
<= 5.0.5- CVSS
- 5.4Medium
- Weakness type
- CWE-352 · Cross-Site Request Forgery (CSRF)
- CVE
CVE-2022-47443
At a glance
CVE-2022-47443 is a medium-severity Cross-Site Request Forgery (CSRF) vulnerability in the Multi Rating WordPress plugin, affecting versions <= 5.0.5. It carries a CVSS score of 5.4 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 5.0.6; sites on affected versions should update now. Disclosed February 2023, reported by rezaduty.
Vulnerability Overview
The Multi Rating for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 5.0.5. This is due to missing nonce validation on several functions like mr_clear_database, mr_clear_cache, and mr_export_rating_results. This makes it possible for unauthenticated attackers to clear the cache and database for the plugin, granted they can trick a site administrator into performing an action such as clicking on a link.
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.
CWE-352: Cross-Site Request Forgery (CSRF)
Reaching this weakness in Multi Rating <= 5.0.5 takes a caller who can reach the endpoint. Cross-site request forgery abuses the fact that browsers attach a victim's cookies to any request, so a state-changing action that only checks who you are, not whether you meant to act, can be triggered from another site.
An attacker who gets a logged-in user to load a crafted page can perform that action as them, with the impact scaling to whatever the victim's role is allowed to do. For Multi Rating the fix is 5.0.6: builds <= 5.0.5 are affected, anything from 5.0.6 onward is not.
Remediation
Update to version 5.0.6, or a newer patched version
How does WordSec protect against this?
The attempt arrives as an ordinary request to Multi Rating: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: Multi Rating 5.0.6 closes this, and updating the plugin is the step that ends it.
- Firewall
- Alerts
External References
Related records
Same weakness class
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