CVE-2024-4036 Sydney Toolbox <= 1.30 - Authenticated (Contributor+) Stored Cross-Site Scripting

What is CVE-2024-4036?

CVE-2024-4036 is a medium-severity cross-site scripting vulnerability in smub Sydney Toolbox, published on 2 May 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Sydney Toolbox plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the style parameter in all versions up to, and including, 1.30 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Weakness: CWE-79

Which versions are affected by CVE-2024-4036?

It affects 1 product.

Products include Athemes Sydney Toolbox.

How do I fix CVE-2024-4036?

No fix has been published for CVE-2024-4036 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-2024-4036 being exploited?

There is no known exploitation of CVE-2024-4036 in the wild and no public exploit code.

Other vulnerabilities in smub Sydney Toolbox

• CVE-2024-4473 Sydney Toolbox <= 1.31 - Authenticated (Contributor+) Stored Cross-Site Scripting via aThemes: Portfolio Widget Medium 6.4
• CVE-2024-3208 Sydney Toolbox <= 1.28 - Authenticated (Contributor+) Stored Cross-Site Scripting via Filterable Gallery Medium 6.4
• CVE-2024-2936 Sydney Toolbox <= 1.26 - Authenticated (Contributor+) Stored Cross-Site Scripting via _id Medium 6.4
• CVE-2024-1447 Sydney Toolbox <= 1.25 - Authenticated (Contributor+) Stored Cross-Site Scripting Medium 6.4

Sources

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

Also known as GHSA-w4vp-v37v-r5rg.