Quick answers
- Is CVE-2026-39712 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-39712 being exploited in the wild.
- How severe is CVE-2026-39712?
- Medium severity, with a CVSS score of 5.3, published 8 April 2026.
- Which products and versions are affected?
- tagDiv Composer <= 5.4.4.
- Is there a fix for CVE-2026-39712?
- A patch was published on 2026-03-02: Patch released in version 5.4.5 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-39712 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-39712?
- Check whether you run tagDiv Composer at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A vulnerability exists in the tagDiv Composer (td-composer) plugin for WordPress through version 5.4.4 due to improper neutralization of script-related HTML tags. This flaw allows an unauthenticated remote attacker to perform content injection and arbitrary shortcode execution. By sending a specially crafted request, an attacker can inject malicious scripts or content into the web pages served by the plugin. The issue is classified as CWE-80 (Improper Neutralization of Script-Related HTML Tags in a Web Page). A patch is available in version 5.4.5.
Affected products
- tagDiv tagDiv Composer <= 5.4.4
Timeline
- 2026-01-31: other: Vulnerability reported by researcher Bonds
- 2026-03-02: disclosed: Initial disclosure by Patchstack
- 2026-03-02: patched: Patch released in version 5.4.5
- 2026-04-08: advisory: CVE published to NVD