{
    "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"
                }
            }
        ]
    }
}