Custom Thank You Page exposes settings export and reset
An unauthenticated caller can reach save_option() without a capability check and export the plugin settings or reset/delete them. The request endpoint and parameter names are unspecified. Affected versions: <= 1.1.2. Confirmed fixed release: 1.1.3.
- Component
- Custom Thank You Page for WooCommerce
- Plugin slug
custom-thank-you-page- Affected
- <= 1.1.2
- Safe version
1.1.3- Published
- Sep 24, 2026
- Weakness
- CWE-862 — Missing Authorization
This CVE was published Sep 24, 2026 and is one of 1 known issue for this plugin.
Update, patch or deactivate.
Update to 1.1.3 or later, preferably the current supported release. Require an administrative capability before settings export or reset, and verify request intent for state-changing actions. Restore altered settings from a trusted copy. The official changelog matches this fix in 1.1.3. Official changelog: https://wordpress.org/plugins/custom-thank-you-page/#developers
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
The Custom Thank You Page for WooCommerce plugin for WordPress is vulnerable to unauthorized access and loss of data due to a missing capability check on the save_option() function in all versions up to, and including, 1.1.2. This makes it possible for unauthenticated attackers to to export or reset(delete) the plugin's settings.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N