What’s Vulnerable › Vulnerabilities

CVE-2026-1073: Purchase Button For Affiliate Link <= 1.0.2 - Cross-Site Request Forgery to Settings Update

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-03-07 · updated 2026-06-17
• Weakness: CWE-352

Description

The Purchase Button For Affiliate Link plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0.2. This is due to missing nonce validation on the settings page form handler in `inc/purchase-btn-options-page.php`. This makes it possible for unauthenticated attackers to modify plugin settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Affected products

• themepul Purchase Button For Affiliate Link: through 1.0.2

References

• https://plugins.trac.wordpress.org/browser/purchase-button/tags/1.0.2/inc/purchase-btn-options-page.php#L3
• https://plugins.trac.wordpress.org/browser/purchase-button/trunk/inc/purchase-btn-options-page.php#L3
• https://www.wordfence.com/threat-intel/vulnerabilities/id/8c9a223c-6c34-4c64-92b5-d986f9791ebb?source=cve

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