CVE-2026-1073

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

4.3 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: None

Exploit likelihood

0.15%Up 0.1 points since Mar 7, 2026

What each source reports

CVE List Score used 4.3

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

Record: CVE-2026-1073
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness: CWE-352
Updated: 2026-11-02

EUVDEUVD-2026-10124 4.3

Record: EUVD-2026-10124
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-q3hq-vr59-65q2 4.3

The Purchase Button For Affiliate Link plugin for WordPress is vulnerable to Cross-Site Request...

Record: GHSA-q3hq-vr59-65q2
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness: CWE-352
Updated: 2026-11-02

NVD 4.3

Record: CVE-2026-1073
CVSS 3.1: 4.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness: CWE-352
Updated: 2026-11-02

Affected products

themepul purchase button for affiliate link

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-1073 is a medium vulnerability (CVSS 4.3) in Themepul Purchase Button For Affiliate Link, published March 7, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 3rd percentile. No source names a fixed version.