Vulnerability identifier: #VU28521

Vulnerability risk: Medium

CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Page Builder: PageLayer – Drag and Drop website builder
Web applications / Modules and components for CMS

Vendor: Pagelayer Team

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to improper permission checks in several AJAX actions, such as "wp_ajax_pagelayer_save_content", "wp_ajax_pagelayer_update_site_title" and "wp_ajax_pagelayer_save_template". A remote authenticated attacker can change any data on a page edited with PageLayer, change a site title or create new PageLayer templates that were saved as new posts.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Page Builder: PageLayer – Drag and Drop website builder: 0.9.0 - 1.1.1

---

External links
http://www.wordfence.com/blog/2020/05/high-severity-vulnerabilities-in-pagelayer-plugin-affect-over-200000-wordpress-sites/

---

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.