CVE-2021-24559 (GCVE-0-2021-24559)
Vulnerability from cvelistv5 – Published: 2024-01-16 15:48 – Updated: 2025-06-20 16:54
VLAI
EPSS
VEX
Title
Qyrr < 0.7 - Authenticated (contributor+) Stored XSS
Summary
The Qyrr WordPress plugin before 0.7 does not escape the data-uri of the QR Code when outputting it in a src attribute, allowing for Cross-Site Scripting attacks. Furthermore, the data_uri_to_meta AJAX action, available to all authenticated users, only had a CSRF check in place, with the nonce available to users with a role as low as Contributor allowing any user with such role (and above) to set a malicious data-uri in arbitrary QR Code posts, leading to a Stored Cross-Site Scripting issue.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-01-16 18:23 UTC
Assigner
WPScan
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/65a29976-163a-4b… | exploitvdb-entrytechnical-description |
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Browse all ATT&CK techniques and the vulnerabilities related to each.
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