HomeWordPress vulnerabilitiesSUMIT Payment Gateway for WooCommerce
SUMIT Payment Gateway for WooCommerce vulnerabilities
SUMIT Payment Gateway for WooCommerce has 1 known vulnerability in this database. The most recent published record is dated 23 Sep 2026.
- Known vulnerabilities
- 1
- Active installs
- 1,000+
- Latest version
- 4.0.1
- Last updated
- 18 Sep 2026
- Most recent
- 23 Sep 2026
Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.
| Vulnerability | Severity | Affected | Fix | Published |
|---|---|---|---|---|
| Authentication bypass CVE-2026-84091 | Medium 5.3 | Before 4.0.0 | Fixed in 4.0.0 | 23 Sep 2026 |
Read the published descriptions
- CVE-2026-84091, 23 Sep 2026
- The SUMIT Payment Gateway for WooCommerce WordPress plugin before 4.0.0 does not verify with the payment provider that a payment notification is genuine before marking the corresponding order as paid, allowing unauthenticated users to mark a pending order paid without completing payment. CVE record
What to do if you run SUMIT Payment Gateway for WooCommerce
If you run SUMIT Payment Gateway for WooCommerce, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.
If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.
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