Quick answers
- Is CVE-2026-80440 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-80440 being exploited in the wild.
- How severe is CVE-2026-80440?
- Medium severity, with a CVSS score of 4.8, published 9 September 2026.
- Which products and versions are affected?
- Hustle Hustle 7.0.0.1 through 7.8.14.1.
- Is there a fix for CVE-2026-80440?
- A patch was published on 2026-09-09: Fixed in version 7.8.14.2 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-80440 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-80440?
- Check whether anything you run is named in the advisory. 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
The vulnerability is a shortcode injection flaw in the form submission handler. When users submit form data, the plugin inserts their responses into a success message template using placeholders (e.g., {first_name}). The plugin attempts to strip shortcodes but uses a guard that can be defeated by nesting brackets—submitting [[gallery]] results in the outer brackets being removed, leaving [gallery] to execute. The attack requires no authentication and exploits the form_submit_nonce that is publicly distributed to all page visitors. While the email field is protected by its own format validator, any unvalidated field is exploitable. The vulnerability affects versions 7.0.0.1 through 7.8.14.1; a fix was released in version 7.8.14.2.
Affected products
- Hustle Hustle 7.0.0.1 through 7.8.14.1
Timeline
- 2026-09-07: disclosed
- 2026-09-09: patched: Fixed in version 7.8.14.2