PatchTheCVECVE-2021-4411: The WP EasyPay – Square for WordPress plugin for WordPress is vulnerable to Cross-Site Request Forgery in vers
CVE-2021-4411 is a medium-severity flaw (CVSS 4.3) affecting wp easypay. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.4% (top 66%) |
| CISA exploited list | No |
| Weakness | CWE-352 |
| Published | 2023-07-12 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-4411?
wp easypay: upgrade to newer than 3.2.0. Exact commands for each OS are on this page.
Is CVE-2021-4411 being exploited?
CVE-2021-4411 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-4411 affect?
CVE-2021-4411 affects wp easypay. Severity is medium (CVSS 4.3). 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()
How urgent is CVE-2021-4411?
Priority 23/100. No elevated risk signals yet.
Software pages
Related CVEs
- CVE-2024-5861 MEDIUM 5.3 UPGRADE The WP EasyPay – Square for WordPress plugin for WordPress is vulnerable to unauthorized modification of datad
- CVE-2023-1465 MEDIUM 6.1 UPGRADE The WP EasyPay WordPress plugin before 4.1 does not escape some generated URLs before outputting them back in
- CVE-2022-47177 MEDIUM 4.3 UPGRADE Cross-Site Request Forgery (CSRF) vulnerability in WP Easy Pay WP EasyPay – Square for WordPress plugin <= 4.1