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CVE-2023-5567

MEDIUM 5.4 CVSS 3.1
Published
November 7, 2023
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Description

The QR Code Tag plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'qrcodetag' shortcode in versions up to, and including, 1.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • dspreen QR Code Tag — Up to and including 1.0
  • spreendigital qr_code_tag — Up to and including 1.0

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/qr-code-tag/trunk/lib/qrct/QrctWp.php?rev=1705525#L369 Product
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/be004002-a3ac-46e9-b0c1-258f05f97b2a?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record