VDB
CVE-2021-26540
CVE-2021-26540
PUBLISHED
CVSS 5 MEDIUM
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".
Risk Scores
CVSS 2.0
5
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 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Dec 29, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 2, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 4, 2022 EPSS Score
- Sep 8, 2022 EPSS Score
References
- x_refsource_MISC
- x_refsource_MISC
- x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-26540 advisory