CVE-2026-5506
MediumCVSS 6.4Exploitation Probability (EPSS)
Low risk9th percentile - higher than 9% of all known CVEs
Summary
The Wavr plugin for WordPress is vulnerable to Stored Cross-Site Scripting (XSS) via the `wave` shortcode. This is due to insufficient input sanitization and output escaping on user supplied attributes.
Risk Assessment
Authenticated attackers with contributor-level access or higher can inject arbitrary scripts that execute whenever a user accesses an injected page, potentially leading to session theft or other attacks.
Recommendation
Update the Wavr plugin to version 0.2.7 or later.
Related vulnerabilities
- CVE-2026-93945Critical
Deserialization of Untrusted Data vulnerability in the Balance theme by Axiomthemes allows Object Injection. This issue affects Balance from n/a through 1.12.0.
- CVE-2026-93944Critical
Deserialization of Untrusted Data vulnerability in the Camelia theme by ThemeREX Group allows Object Injection. This issue affects Camelia from n/a through 1.2.15.
- CVE-2026-93943Critical
Deserialization of Untrusted Data vulnerability in the Convex theme by ThemeREX Group allows Object Injection. This issue affects Convex from n/a through 1.16.0.
- CVE-2026-93942Critical
Deserialization of Untrusted Data vulnerability in the Dwell theme by ThemeREX Group allows Object Injection. This issue affects Dwell from n/a through 1.16.0.
- CVE-2026-93941Critical
Deserialization of Untrusted Data vulnerability in the Edema theme by ThemeREX Group allows Object Injection. This issue affects Edema from n/a through 1.2.2.2.
- CVE-2026-93940Critical
Deserialization of Untrusted Data vulnerability in the Greeny theme by ThemeREX Group allows Object Injection. This issue affects Greeny from n/a through 2.10.0.
- CVE-2026-93938Critical
Deserialization of Untrusted Data vulnerability in the Hogwords theme by ThemeREX Group allows Object Injection. This issue affects Hogwords from n/a through 1.2.7.
- CVE-2026-93937Critical
Deserialization of Untrusted Data vulnerability in the Hygia theme by ThemeREX Group allows Object Injection. This issue affects Hygia from n/a through 1.21.0.
- CVE-2026-93936Critical
Deserialization of Untrusted Data vulnerability in the IPharm theme by ThemeREX Group allows Object Injection. This issue affects IPharm from n/a through 1.2.4.
- CVE-2026-93935Critical
Deserialization of Untrusted Data vulnerability in the Let's Play theme by ThemeREX Group allows Object Injection. This issue affects Let's Play from n/a through 1.1.15.
Original NVD description (English source)
The Wavr plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `wave` shortcode in all versions up to, and including, 0.2.6. This is 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 data from NVD (NIST) · CISA KEV · EPSS