Quick answers
- Is CVE-2026-111409 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-111409 being exploited in the wild.
- How severe is CVE-2026-111409?
- Medium severity, with a CVSS score of 5.3, published 16 October 2026.
- Which products and versions are affected?
- YITH PayPal Express Checkout for WooCommerce through 1.61.0.
- Is there a fix for CVE-2026-111409?
- Yes: fixed in 1.62.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-111409 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-111409?
- Check whether you run YITH PayPal Express Checkout for WooCommerce 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: 1.62.0
Technical details
The plugin fails to properly validate user permissions before allowing access to certain payment-related pages or actions. An unauthenticated attacker can exploit this by directly accessing or manipulating protected endpoints without proper authorization checks. The vulnerability affects plugin versions up to and including 1.61.0 and is fixed in version 1.62.0.
Affected products
- YITH PayPal Express Checkout for WooCommerce through 1.61.0
Timeline
- 2026-10-16: disclosed: Published by Patchstack
- 2026-10-16: advisory