CVE-2025-1689: ThemeMakers PayPal Express Checkout <= 1.1.9 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Description
The ThemeMakers PayPal Express Checkout plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'paypal' shortcode in versions up to, and including, 1.1.9 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Classification
CVE ID: CVE-2025-1689
CVSS Base Severity: MEDIUM
CVSS Base Score: 6.4
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Problem Types
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Affected Products
Vendor: ThemeMakers
Product: ThemeMakers PayPal Express Checkout
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.02% (probability of being exploited)
EPSS Percentile: 3.52% (scored less or equal to compared to others)
EPSS Date: 2025-03-28 (when was this score calculated)
References
https://nvd.nist.gov/vuln/detail/CVE-2025-1689https://www.wordfence.com/threat-intel/vulnerabilities/id/6390dba6-423b-48be-b5f0-1018d94f4a32?source=cve
https://themeforest.net/item/car-dealer-automotive-wordpress-theme-responsive/8574708
https://github.com/ThemeMakers/tmm_paypal_checkout/commit/d6d3b1877ed705ac171cf7e74a6e866fc135ba22