QR Redirector
QR Redirector has 3 disclosed vulnerabilities in the WordSec catalog, reported between 2021 and 2026; all 3 are fixed as of September 2026. Their average CVSS score is 4.7, and the most serious one scores 5.4 out of 10. 2021 was the busiest year with 2 disclosures.
The most common weakness is Cross-Site Request Forgery (CSRF), behind 1 of the records (33%). Other recurring categories include Cross-Site Scripting, Missing Authorization.
Every one of the 3 issues recorded for QR Redirector has a vendor fix available, so running the current release closes all known holes.
2 independent researchers contributed these findings, most of them (2) reported by apple502j. QR Redirector is installed on roughly 4,000 WordPress sites, so each unpatched flaw has a wide blast radius. The current release is tested up to WordPress 6.9.7.
CVE-2021-24854QR Redirector < 1.6.1 - Stored Cross-Site Scripting
Read the full analysisVulnerability Records
QR Redirector
Author
Nikki Blight
QR Redirector lets you set up your own QR Code redirection site. The plugin creates a new custom post type called QR Redirect, which generates a QR code that points to the post’s permalink. You may then specify any URL you like for the post to redirect to. Useful if you have an offsite contest, form, newsletter sign-up, etc. You can even change the URL you’re redirecting to without having to worry about updating the QR code in your advertising media. This allows you to continuously reuse your QR codes on printed or linked marketing material… you can change the destination you’re sending your users to without ever having to change the artwork you’re using to promote it. This plugin uses the Endroid QR-Code PHP library.
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