CVE-2021-26540 — Vulnetix

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CVE-2021-26540 PUBLISHED

Reported by mitre · Published February 8, 2021

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".

Affected Products

Vendor	Product	Versions
n/a	n/a	n/a
npm	sanitize-html	0
n/a	n/a	n/a, n/a

Timeline

Feb 8, 2021 CVE Published
Apr 1, 2021 CVE Updated
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Aug 23, 2021 EPSS Score
Oct 24, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Feb 4, 2022 EPSS Score
Feb 25, 2022 EPSS Score
Apr 1, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Jun 29, 2022 EPSS Score

References

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https://nvd.nist.gov/vuln/detail/CVE-2021-26540 advisory

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