CVE-2022-4669 Page Builder: Live Composer < 1.5.23 - Contributor+ Stored XSS via Shortcode

What is CVE-2022-4669?

CVE-2022-4669 is a medium-severity cross-site scripting vulnerability in Unknown Page Builder: Live Composer, published on 21 Feb 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

The Page Builder: Live Composer WordPress plugin before 1.5.23 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Weakness: CWE-79

Which versions are affected by CVE-2022-4669?

It affects 1 product.

Products include Blueastral Page Builder\.

How do I fix CVE-2022-4669?

No fix has been published for CVE-2022-4669 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2022-4669 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-4669 exists.

Other vulnerabilities in Unknown Page Builder: Live Composer

• CVE-2023-52206 WordPress Page Builder: Live Composer Plugin <= 1.5.25 is vulnerable to PHP Object Injection High 7.7
• CVE-2024-35779 Cross-site scripting in Page Builder: Live Composer Medium 6.5
• CVE-2023-52193 WordPress Page Builder: Live Composer Plugin <= 1.5.23 is vulnerable to Cross Site Scripting (XSS) Medium 6.5
• CVE-2024-35768 WordPress Page Builder: Live Composer plugin <= 2.1.22 - Cross Site Scripting (XSS) vulnerability Medium 5.9

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-4mw6-hf2w-jx7x.