Flexmls® IDX - Reflected Cross Site Scripting (XSS) vulnerability
highReflected Cross Site Scripting (XSS) vulnerability
- CVSS:
- 7.1
- Affected:
- up to 3.15.9
- Fixed in:
- 3.15.10
- Disclosed:
- Mar 16, 2026
plugin
12 known security issues reported for the Flexmls Idx WordPress plugin. Most recent disclosed Mar 16, 2026.
Running Flexmls Idx on your site? Check whether your installed version is affected.
Scan your site freeReflected Cross Site Scripting (XSS) vulnerability
The Flexmls® IDX Plugin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting in versions up to, and including, 3.15.9 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can success...
[en] URL Redirection to Untrusted Site ('Open Redirect') vulnerability in flexmls Flexmls® IDX flexmls-idx allows Phishing.This issue affects Flexmls® IDX: from n/a through <= 3.15.7.
The Flexmls® IDX Plugin plugin for WordPress is vulnerable to Open Redirect in all versions up to, and including, 3.15.7. This is due to insufficient validation on the redirect url supplied. This makes it possible for unauthenticated attackers to redirect users to potentially malicious sites if they can successfully tr...
The Flexmls® IDX Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'idx_frame' shortcode in all versions up to, and including, 3.14.27 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with...
[en] Deserialization of Untrusted Data vulnerability in flexmls Flexmls® IDX allows Object Injection. This issue affects Flexmls® IDX: from n/a through 3.14.27.
The Flexmls® IDX plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 3.14.27 via deserialization of untrusted input. This makes it possible for unauthenticated attackers to inject a PHP Object. No known POP chain is present in the vulnerable software. If a POP chain is present v...
[en] The Flexmls® IDX Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘api_key’ and 'api_secret' parameters in all versions up to, and including, 3.14.26 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-leve...
The Flexmls® IDX Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘api_key’ and 'api_secret' parameters in all versions up to, and including, 3.14.26 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level acc...
[en] The Flexmls® IDX Plugin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via several parameters like 'MaxBeds' and 'MinBeds' in all versions up to, and including, 3.14.22 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject a...
The Flexmls® IDX Plugin plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via several parameters like 'MaxBeds' and 'MinBeds' in all versions up to, and including, 3.14.22 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitr...
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