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GTM Server Side

GTM Server Side (gtm-server-side-wordpress-plugin) is a WordPress plugin with 1 published CVE record in this archive. The latest tracked vulnerability was published Oct 23, 2026; the highest published CVSS base score is 8.7.

Plugin slug: gtm-server-side-wordpress-plugin

CVE-2026-55826: GTM Server Side: Disclosure of other customers' order data

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. Other endpoint, parameter, role or implementation details not named in this export are not established by this record. Affected versions: >= 2.0.0, before 2.1.48.

PublishedOct 23, 2026
Known safe version2.1.48
Published vulnerabilities for gtm-server-side-wordpress-plugin
Safe version
Oct 23, 2026 CVE-2026-55826
GTM Server Side: Disclosure of other customers' order data
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. Other endpoint, parameter, role or implementation details not named in this export are not established by this record. Affected versions: >= 2.0.0, before 2.1.48.
2.1.48
CVE8.7