Executive Summary

CVE-2026-24614 is a Cross Site Scripting (XSS) vulnerability in the WordPress Flex QR Code Generator Plugin versions up to 1.2.8. It allows attackers to inject malicious scripts into web pages generated by the plugin. This happens when input is not properly neutralized during page generation, enabling DOM-Based XSS attacks. Exploitation requires a privileged user to interact with malicious content, such as clicking a crafted link or submitting a form, which then causes malicious scripts to execute when other users visit the affected pages. [1]

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Impact Analysis

This vulnerability can lead to attackers injecting malicious scripts that execute in the browsers of site visitors. This can result in unauthorized actions such as redirects to malicious sites, display of unwanted advertisements, theft of user data, or other harmful HTML payloads. However, exploitation requires a privileged user to interact with malicious content, and the overall risk is considered moderate with limited impact and low likelihood of exploitation. [1]

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Detection Guidance

Detection of this DOM-Based XSS vulnerability involves monitoring for suspicious script injections or unusual behavior triggered by user interactions such as clicking links or submitting forms. Since exploitation requires user interaction by privileged users, reviewing web server logs for unusual URL parameters or payloads and using web vulnerability scanners that test for XSS in the Flex QR Code Generator plugin can help. Specific commands are not provided in the available resources. [1]

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Mitigation Strategies

Immediate mitigation steps include restricting privileged user interactions with untrusted content, educating users about the risk of clicking unknown links or submitting untrusted forms, and monitoring for suspicious activity. Since no official fix or patched version is currently available, consider disabling or limiting the use of the Flex QR Code Generator plugin until a patch is released. [1]

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