CVE-2026-55826
Severity not reportedThe GTM Server Side plugin by stape.io implements server-side tracking on WordPress websites.
The GTM Server Side plugin by stape.io implements server-side tracking on WordPress websites. From version 2.0.0 to before version 2.1.48, the WooCommerce purchase event tracking mechanism allows an unauthenticated attacker to trigger the rendering of another customer's full order data — including personally identifiable information (PII) — into the page's JavaScript dataLayer. This issue has been patched in version 2.1.48.
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- http://github.com/stape-io/gtm-server-side-wordpress-plugin/tree/v2.1.47 security-advisories@github.com
- https://github.com/stape-io/gtm-server-side-wordpress-plugin/commit/702898f57772279ca63d3f... security-advisories@github.com
- https://github.com/stape-io/gtm-server-side-wordpress-plugin/commit/9ff46a050028c40fad5416... security-advisories@github.com
- https://github.com/stape-io/gtm-server-side-wordpress-plugin/releases/tag/2.1.48 security-advisories@github.com
- https://github.com/stape-io/gtm-server-side-wordpress-plugin/security/advisories/GHSA-j5j2... security-advisories@github.com
- https://github.com/stape-io/gtm-server-side-wordpress-plugin/tree/v2.1.48 security-advisories@github.com