{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-24559","assignerOrgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","state":"PUBLISHED","assignerShortName":"WPScan","dateReserved":"2021-01-14T15:03:46.768Z","datePublished":"2024-01-16T15:48:44.511Z","dateUpdated":"2025-06-20T16:54:49.993Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81","shortName":"WPScan","dateUpdated":"2024-01-16T15:48:44.511Z"},"title":"Qyrr < 0.7 - Authenticated (contributor+) Stored XSS","problemTypes":[{"descriptions":[{"description":"CWE-79 Cross-Site Scripting (XSS)","lang":"en","type":"CWE"}]},{"descriptions":[{"description":"CWE-352 Cross-Site Request Forgery (CSRF)","lang":"en","type":"CWE"}]}],"affected":[{"vendor":"Unknown","product":"Qyrr","versions":[{"status":"affected","versionType":"semver","version":"0","lessThan":"0.7"}],"defaultStatus":"unaffected","collectionURL":"https://wordpress.org/plugins"}],"descriptions":[{"lang":"en","value":"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."}],"references":[{"url":"https://wpscan.com/vulnerability/65a29976-163a-4bbf-a4e8-590ddc4b83f2/","tags":["exploit","vdb-entry","technical-description"]}],"credits":[{"lang":"en","value":"dc11","type":"finder"},{"lang":"en","value":"WPScan","type":"coordinator"}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"WPScan CVE Generator"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T19:35:20.264Z"},"title":"CVE Program Container","references":[{"url":"https://wpscan.com/vulnerability/65a29976-163a-4bbf-a4e8-590ddc4b83f2/","tags":["exploit","vdb-entry","technical-description","x_transferred"]}]},{"metrics":[{"cvssV3_1":{"scope":"CHANGED","version":"3.1","baseScore":5.4,"attackVector":"NETWORK","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","integrityImpact":"LOW","userInteraction":"REQUIRED","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"LOW"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-01-16T18:23:25.389719Z","id":"CVE-2021-24559","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-06-20T16:54:49.993Z"}}]}}