Quick answers
- Is CVE-2026-109388 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-109388 being exploited in the wild.
- How severe is CVE-2026-109388?
- Medium severity, with a CVSS score of 6.4, published 16 October 2026.
- Which products and versions are affected?
- HivePress up to 1.7.32.
- Is there a fix for CVE-2026-109388?
- Yes: fixed in 1.7.33 and later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-109388 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-109388?
- Check whether you run HivePress 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.
How to fix
- Fixed in: 1.7.33 and later
Technical details
The plugin stores unsanitized user input from the message parameter in form data attributes without proper output escaping, allowing authenticated subscribers and above to inject JavaScript. The vulnerability is triggered when visitors access a listing page with an embedded form that displays the attacker's injected script payload. A fix adds htmlspecialchars() escaping with ENT_QUOTES and UTF-8 encoding to the message output.
Affected products
- HivePress HivePress up to 1.7.32
Timeline
- 2026-10-16: disclosed
- 2026-10-13: patched