Payday
Payday has one disclosed vulnerability in the WordSec catalog, all reported in 2025; it remains unpatched as of September 2026. Their average CVSS score is 5.3, and the most serious one scores 5.3 out of 10.
The most common weakness is Missing Authorization, behind 1 of the records (100%).
The one issue recorded for Payday has no published fix yet, which makes virtual patching the only reliable mitigation. The oldest unresolved one dates back to 2025.
All of these findings were reported by Kévin Mosbahi (Mika). Payday is installed on roughly 100 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 6.8.8.
CVE-2025-31876Payday <= 3.3.13 - Missing Authorization
Read the full analysisVulnerability Records

Payday
Author
gunnarpayday
The Payday plugin integrates WooCommerce with your Payday bookkeeping solution. It also supports OpenPos, allowing handling products to be returned. After installing the plugin, your admin will have the option to sync Orders with Invoices in Payday automatically. This plugin is only for companies or individuals who have registered an account with Payday. Visit our website for more information: http://payday.is
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