CVE-2023-3170 tagDiv Composer < 4.2 - Admin+ Stored XSS

What is CVE-2023-3170?

CVE-2023-3170 is a medium-severity cross-site scripting vulnerability in Unknown tagDiv Composer, published on 11 Sep 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

The tagDiv Composer WordPress plugin before 4.2, used as a companion by the Newspaper and Newsmag themes from tagDiv, does not validate and escape some settings, which could allow users with Admin privileges to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

Weakness: CWE-79

Which versions are affected by CVE-2023-3170?

It affects 1 product.

Products include Tagdiv Tagdiv Composer.

How do I fix CVE-2023-3170?

No fix has been published for CVE-2023-3170 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-2023-3170 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-3170 exists.

Other vulnerabilities in Unknown tagDiv Composer

• CVE-2024-3813 tagDiv Composer <= 4.8 - Authenticated (Contributor+) Local File Inclusion via Shortcode High 8.8
• CVE-2023-39166 WordPress tagDiv Composer Plugin < 4.4 is vulnerable to Cross Site Request Forgery (CSRF) High 7.1
• CVE-2025-2806 tagDiv Composer <= 5.3 - Reflected Cross-Site Scripting via 'data' Medium 6.1
• CVE-2024-3886 tagDiv Composer <= 5.0 - Reflected Cross-Site Scripting via envato_code[] Medium 6.1
• CVE-2024-5212 tagDiv Composer <= 5.0 - Reflected Cross-Site Scripting via envato_code[] Medium 6.1

Sources

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

Also known as GHSA-7578-qrmf-q6j6.