WP EasyPay – Square for WordPress <= 3.2.0 - Cross-Site Request Forgery Bypass
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-352.
Summary
The WP EasyPay – Square for WordPress plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.2.0. This is due to missing or incorrect nonce validation on the wpep_download_transaction_in_excel() function. This makes it possible for unauthenticated attackers to trigger a transactions download via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| saadiqbal | WP Easy Pay – Payment and Donation form Builder for Square | up to 3.2.0 | — | No fix listed | CNA |
- WP Easy Pay – Payment and Donation form Builder for Square Vendorsaadiqbal Affected up to 3.2.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wpeasypay:wp_easypay:*:*:*:*:*:wordpress:*:* | up to 3.2.0 | Vulnerable | WP Easy Pay |
- cpe:2.3:a:wpeasypay:wp_easypay:*:*:*:*:*:wordpress:*:* Versions up to 3.2.0 Vulnerable ·WP Easy Pay
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-4411
- 2026-10-03 Alias added: GHSA-whvr-xr2p-2pj4
References
Advisory 9
- https://www.wordfence.com/threat-intel/vulnerabilities/id/a1fbb3a6-fcc2-47c5-a086-331e69292add?source=cve
- https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/
- https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/
- https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/
- https://plugins.trac.wordpress.org/browser/wp-easy-pay/trunk/wpep_setup.php?rev=2426641#L219
More saadiqbal vulnerabilities
- TI-2025-10849 Missing authorization in saadiqbal Post SMTP – Complete Email Deliverability and SMTP… CVSS 3.1CRITICAL 9.8
- TI-2024-29006 WordPress myCred plugin <= 2.7.2 - PHP Object Injection vulnerability CVSS 3.1CRITICAL 9.8
- TI-2025-36263 WordPress All In One Login plugin <= 2.0.8 - Bypass Vulnerability vulnerability CVSS 3.1CRITICAL 9.1
- TI-2026-05814 WPFormify <= 1.1.1 - Missing Authorization CVSS 3.1HIGH 8.2
- TI-2025-42518 WordPress New User Approve plugin <= 3.2.0 - Broken Access Control vulnerability CVSS 3.1HIGH 8.6
- TI-2024-35074 WordPress User Management plugin <= 1.1 - Arbitrary File Upload vulnerability CVSS 3.1CRITICAL 9.9
Sources
- CVE-2021-4411 · CVE Program
- CVE-2021-4411 · NVD
- FIRST EPSS
- GHSA-whvr-xr2p-2pj4 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences