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WordPress Header Builder Plugin Cross-Site Request Forgery Vulnerability

Vulnerability

A Cross-Site Request Forgery (CSRF) vulnerability has been identified in the WordPress Header Builder Plugin - Pearl, affecting all versions through 1.3.8. The issue arises from inadequate nonce validation on the 'stm_header_builder' page, allowing unauthenticated attackers to delete arbitrary headers by tricking a site administrator into clicking a link.

Impact

Exploitation of this vulnerability allows for Cross-Site Request Forgery, enabling the deletion of arbitrary headers by exploiting the lack of proper nonce validation.

Remediation

Users are advised to update the WordPress Header Builder Plugin - Pearl to version 1.3.9 or a newer patched version.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
3.4
impact
0.6
exploitability
7.2
remediation
7.7
relevance
0.0
threat
3.2
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.