CVE-2025-1689

CVE-2025-1689 is a medium-severity vulnerability in Thememakers Paypal Checkout with a CVSS 3.x base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

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.

Frequently asked questions

What is CVE-2025-1689?
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.
How severe is CVE-2025-1689?
CVE-2025-1689 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-1689 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-1689?
CVE-2025-1689 affects Thememakers Paypal Checkout. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-1689?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-1689 have an EU (EUVD) identifier?
Yes. CVE-2025-1689 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-5119.
When was CVE-2025-1689 published?
CVE-2025-1689 was published on 2025-02-27 and last updated on 2026-06-17.

References

Affected products (1)

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →