Security: Plugin Vulnerability Notification – WordPress Infinite Scroll – Ajax Load More Plugin

Ajax Load More is the ultimate WordPress infinite scroll plugin for lazy loading posts, single posts, pages, comments and more with Ajax powered queries. Build complex custom WordPress queries with the Ajax Load More shortcode builder then add the generated shortcode to your page.

Patch availableYES
Number of vulnerabilities1
Exploitation vectorNetwork
Public exploitPublic exploit code for vulnerability #1 is available.

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) SQL injection

EUVDB-ID: #VU27989

Risk: High

CVSSv3.1: 7.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]


Exploit availability: NoDescription

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data in POST “/wp-admin/admin-ajax.php” page with param repeater=’ or sleep(5)#&type=test. A remote authenticated attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.Mitigation

Install updates from vendor’s website.Vulnerable software versions

WordPress Infinite Scroll – Ajax Load More: 2.0.3 – 5.3.1

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

Proof of Concept –

Fixed WordPress Infinite Scroll – Ajax Load More 

Ajax Load More < 5.5.4 – PHAR Deserialization via CSRF
Fixed in version 5.5.4

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