BizPrint <= 4.5.4 - Cross-Site Request Forgery to Cross-Site Scripting via process.php
Strategic Overview
- Status
- Patched in 4.5.6
- Affected Version
<= 4.5.4- CVSS
- 6.1Medium
- Weakness type
- CWE-352 · Cross-Site Request Forgery (CSRF)
- CVE
CVE-2024-29773
At a glance
CVE-2024-29773 is a medium-severity Cross-Site Request Forgery (CSRF) vulnerability in the Print Anywhere & Create PDFs of Order Receipts, Invoices, Labels & More. WordPress plugin, affecting versions <= 4.5.4. It carries a CVSS score of 6.1 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 4.5.6; sites on affected versions should update now. Disclosed March 2024, reported by Joshua Chan.
Vulnerability Overview
The BizPrint plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 4.5.5. This is due to missing or incorrect nonce validation in the process.php file. This makes it possible for unauthenticated attackers to generate invoices containing malicious JavaScript via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. While the Cross-Site Request Forgery vulnerability was patched in version 4.5.4, making exploitation of cross-site scripting impractical, user inputs were not completely sanitized until version 4.5.6
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 Print Anywhere & Create PDFs of Order Receipts, Invoices, Labels & More. <= 4.5.4 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 Print Anywhere & Create PDFs of Order Receipts, Invoices, Labels & More. the fix is 4.5.6: builds <= 4.5.4 are affected, anything from 4.5.6 onward is not.
Remediation
Update to version 4.5.6, or a newer patched version
How does WordSec protect against this?
The attempt arrives as an ordinary request to Print Anywhere & Create PDFs of Order Receipts, Invoices, Labels & More.: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: Print Anywhere & Create PDFs of Order Receipts, Invoices, Labels & More. 4.5.6 closes this, and updating the plugin is the step that ends it.
- Firewall
- Alerts
External References
Related records
Same weakness class
Other vulnerabilities in Print Anywhere & Create PDFs of Order Receipts, Invoices, Labels & More.
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