{"containers":{"cna":{"affected":[{"product":"wagtail","vendor":"wagtail","versions":[{"status":"affected","version":"<= 2.11.6"},{"status":"affected","version":">= 2.12, <= 2.12.3"}]}],"descriptions":[{"lang":"en","value":"Wagtail is a Django content management system. In affected versions of Wagtail, when saving the contents of a rich text field in the admin interface, Wagtail does not apply server-side checks to ensure that link URLs use a valid protocol. A malicious user with access to the admin interface could thus craft a POST request to publish content with `javascript:` URLs containing arbitrary code. The vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin. See referenced GitHub advisory for additional details, including a workaround. Patched versions have been released as Wagtail 2.11.7 (for the LTS 2.11 branch) and Wagtail 2.12.4 (for the current 2.12 branch)."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","description":"{\"CWE-79\":\"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')\"}","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2021-04-19T18:45:14.000Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"https://github.com/wagtail/wagtail/security/advisories/GHSA-wq5h-f9p5-q7fx"},{"tags":["x_refsource_MISC"],"url":"https://pypi.org/project/wagtail/"}],"source":{"advisory":"GHSA-wq5h-f9p5-q7fx","discovery":"UNKNOWN"},"title":"Improper validation of URLs ('Cross-site Scripting') in Wagtail rich text fields","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2021-29434","STATE":"PUBLIC","TITLE":"Improper validation of URLs ('Cross-site Scripting') in Wagtail rich text fields"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"wagtail","version":{"version_data":[{"version_value":"<= 2.11.6"},{"version_value":">= 2.12, <= 2.12.3"}]}}]},"vendor_name":"wagtail"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Wagtail is a Django content management system. In affected versions of Wagtail, when saving the contents of a rich text field in the admin interface, Wagtail does not apply server-side checks to ensure that link URLs use a valid protocol. A malicious user with access to the admin interface could thus craft a POST request to publish content with `javascript:` URLs containing arbitrary code. The vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin. See referenced GitHub advisory for additional details, including a workaround. Patched versions have been released as Wagtail 2.11.7 (for the LTS 2.11 branch) and Wagtail 2.12.4 (for the current 2.12 branch)."}]},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"{\"CWE-79\":\"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')\"}"}]}]},"references":{"reference_data":[{"name":"https://github.com/wagtail/wagtail/security/advisories/GHSA-wq5h-f9p5-q7fx","refsource":"CONFIRM","url":"https://github.com/wagtail/wagtail/security/advisories/GHSA-wq5h-f9p5-q7fx"},{"name":"https://pypi.org/project/wagtail/","refsource":"MISC","url":"https://pypi.org/project/wagtail/"}]},"source":{"advisory":"GHSA-wq5h-f9p5-q7fx","discovery":"UNKNOWN"}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T22:02:51.911Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://github.com/wagtail/wagtail/security/advisories/GHSA-wq5h-f9p5-q7fx"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://pypi.org/project/wagtail/"}]}]},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2021-29434","datePublished":"2021-04-19T18:45:14.000Z","dateReserved":"2021-03-30T00:00:00.000Z","dateUpdated":"2024-08-03T22:02:51.911Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}