Apostrophe Technologies sanitize-html before 2.3.2 does not properly validate the hostnames set by the "allowedIframeHostnames" option when the "allowIframeRelativeUrls" is set to true, which allows attackers to bypass hostname whitelist for iframe element, related using an src value that starts with "/\\example.com".
History

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cve-icon MITRE Information

Status: PUBLISHED

Assigner: mitre

Published: 2021-02-08T16:16:07

Updated: 2021-03-25T22:01:14

Reserved: 2021-02-01T00:00:00


Link: CVE-2021-26540

JSON object: View

cve-icon NVD Information

Status : Analyzed

Published: 2021-02-08T17:15:13.737

Modified: 2021-04-01T15:02:12.757


Link: CVE-2021-26540

JSON object: View

cve-icon Redhat Information

No data.