CVE-2026-103478
MediumCVSS 6.4Exploitation Probability (EPSS)
Low risk22th percentile - higher than 22% of all known CVEs
Summary
The Premium Packages – Sell Digital Products Securely plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'checkout[billing][phone]' (and state / taxid / email) parameter in all versions up to and including 7.2.6 due to insufficient input sanitization and output escaping.
Risk Assessment
An authenticated attacker with subscriber-level access or above can inject arbitrary scripts into pages that execute for any visitor. This can lead to session theft or account takeover.
Recommendation
Update the Premium Packages plugin to a version newer than 7.2.6 as soon as it is available, and consider restricting subscriber registration.
Other vulnerabilities in Premium Packages
See all- CVE-2026-15348Medium
The Premium Packages – Sell Digital Products Securely plugin for WordPress versions up to 7.0.4 contain an authentication bypass vulnerability via the 'wpdmppdl' parameter, allowing unauthenticated attackers to log in as any non-administrator user (e.g., subscriber, customer, author) who owns an order, by decoding the parameter without HMAC or signature verification.
- CVE-2026-18586High
The Premium Packages – Sell Digital Products Securely plugin for WordPress is vulnerable to Unauthenticated Stored Cross-Site Scripting via 'order_email' in all versions up to, and including, 7.0.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
- CVE-2026-93511Medium
The Premium Packages WordPress plugin before 7.2.1 does not verify PayPal's webhook signature before processing payment and subscription notifications, allowing unauthenticated attackers to forge payment confirmations and subscription-cancellation events against any order whose transaction id they know.
- CVE-2026-19711Medium
The Premium Packages WordPress plugin before version 7.0.7 does not validate withdrawal requests against the user's actual balance, allowing any authenticated user, including a subscriber with no sales, to request arbitrary payouts that an admin may approve.
Original NVD description (English source)
The Premium Packages – Sell Digital Products Securely plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'checkout[billing][phone] (and state / taxid / email)' parameter in all versions up to, and including, 7.2.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS