CVE-2021-26540
Vulnerability from cvelistv5
Published
2021-02-08 16:16
Modified
2024-08-03 20:26
Severity
Summary
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".
References
SourceURLTags
cve@mitre.orghttps://advisory.checkmarx.net/advisory/CX-2021-4309Exploit, Patch, Third Party Advisory
cve@mitre.orghttps://github.com/apostrophecms/sanitize-html/blob/main/CHANGELOG.md#232-2021-01-26Release Notes, Third Party Advisory
cve@mitre.orghttps://github.com/apostrophecms/sanitize-html/pull/460Patch, Third Party Advisory
Impacted products
VendorProduct
n/an/a
Show details on NVD website

To clipboard 

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