XSS in Peterschulznl Wp Data Access – App Builder For Tables, Forms, Charts, Maps & Dashboards
CVE-2026-0557
The WP Data Access plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wpda_app' shortcode in all versions up to, and including, 5.5.63 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (12.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-0557?
- CVE-2026-0557 is a medium-severity vulnerability in Peterschulznl Wp Data Access – App Builder For Tables, Forms, Charts, Maps & Dashboards, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-02-14.
- How severe is CVE-2026-0557?
- Medium severity. CVSS v3 base score is 6.4 out of 10.