Live Copy Paste for Elementor – Cross Domain Copy Paste & Page Duplicator vulnerability

The Biggop Library is vulnerable to Cross-Site Scripting via the ‘display_id’ parameter from the Sigmative API in various versions due to insufficient output escaping. This makes it possible for attackers who can compromise the Sigmative API server to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Published 18 Sep 2026Updated 18 Sep 202615 sources
CVSS 5.4

What happened

The Biggop Library is vulnerable to Cross-Site Scripting via the ‘display_id’ parameter from the Sigmative API in various versions due to insufficient output escaping. This makes it possible for attackers who can compromise the Sigmative API server to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected versions

Live Copy Paste for Elementor – Cross Domain Copy Paste & Page Duplicator: 0 through 1.5.6 (semver); 0 through 2.1.14 (semver); 0 through 2.2.0 (semver); 0 through 3.0.7 (semver); 0 through 4.2.0 (semver); 0 through 4.4.5 (semver); 0 through 8.7.14 (semver) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.