CVE-2026-105066 SimplyRETS CVE debrief

Who should care

Defenders responsible for WordPress installations with the SimplyRETS Real Estate IDX plugin should assess exposure and prioritize verification and potential updates.

Why it matters

CVE-2026-105066 is a Cross-Site Scripting (XSS) vulnerability in the SimplyRETS Real Estate IDX plugin for WordPress. Defenders should verify plugin versions, monitor for malicious input, and consider updates to prevent exploitation.

• Defenders need to verify the version of the SimplyRETS Real Estate IDX plugin to determine exposure.
• Input validation and sanitization may need adjustment to prevent exploitation.
• Monitoring for potentially malicious activity related to the plugin is necessary.
• Updating to a version beyond 3.2.9 may be required to mitigate the vulnerability.

Technical summary

The SimplyRETS Real Estate IDX plugin for WordPress, version 3.2.9 and earlier, is vulnerable to Cross-Site Scripting (XSS). This issue allows for Reflected XSS attacks due to improper neutralization of input during web page generation. The vulnerability affects WordPress installations with the SimplyRETS Real Estate IDX plugin and could allow attackers to inject malicious scripts. Defenders should verify plugin versions and consider updates to prevent exploitation. They should also monitor for malicious activity and adjust input validation as necessary.

Defensive priority

Defenders should prioritize verifying the version of the SimplyRETS Real Estate IDX plugin in use and updating to a version beyond 3.2.9 if possible, as well as monitoring for and restricting potentially malicious input to the plugin.

Recommended defensive actions

• Verify the version of the SimplyRETS Real Estate IDX plugin and update to a version beyond 3.2.9 if possible.
• Monitor for and restrict potentially malicious input to the plugin.
• Review and adjust the plugin's configuration to ensure proper input neutralization.

Evidence notes

The CVE Program record and the NVD vulnerability detail provide the primary sources for this debrief. The SimplyRETS Real Estate IDX plugin version 3.2.9 and earlier are affected by this XSS vulnerability.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.