Cure53 DOMPurify before 2.0.17 allows mutation XSS. This occurs because a serialize-parse roundtrip does not necessarily return the original DOM tree, and a namespace can change from HTML to MathML, as demonstrated by nesting of FORM elements.
References
Link | Resource |
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https://github.com/cure53/DOMPurify/commit/02724b8eb048dd219d6725b05c3000936f11d62d | Patch Third Party Advisory |
https://github.com/cure53/DOMPurify/compare/2.0.16...2.0.17 | Patch Third Party Advisory |
https://lists.debian.org/debian-lts-announce/2020/10/msg00029.html | Mailing List Third Party Advisory |
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-26870 | Patch Vendor Advisory |
https://research.securitum.com/mutation-xss-via-mathml-mutation-dompurify-2-0-17-bypass/ | Exploit Third Party Advisory |
https://www.oracle.com//security-alerts/cpujul2021.html | Patch Third Party Advisory |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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Configuration 3 (hide)
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Configuration 4 (hide)
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History
27 Apr 2022, 18:49
Type | Values Removed | Values Added |
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References |
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First Time |
Oracle
Oracle application Express |
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CPE | cpe:2.3:a:oracle:application_express:*:*:*:*:*:*:*:* |
25 Feb 2021, 20:47
Type | Values Removed | Values Added |
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CPE | cpe:2.3:a:microsoft:visual_studio_2019:16.7:*:*:*:*:*:*:* cpe:2.3:a:microsoft:visual_studio_2017:15.9:*:*:*:*:*:*:* cpe:2.3:a:microsoft:visual_studio_2019:16.0:*:*:*:*:*:*:* cpe:2.3:a:microsoft:visual_studio_2019:16.4:*:*:*:*:*:*:* cpe:2.3:a:microsoft:visual_studio_2019:16.8:*:*:*:*:*:*:* |
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References | (MISC) https://github.com/cure53/DOMPurify/compare/2.0.16...2.0.17 - Patch, Third Party Advisory | |
References | (MS) https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-26870 - Patch, Vendor Advisory |
02 Feb 2021, 23:15
Type | Values Removed | Values Added |
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References |
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Information
Published : 2020-10-07 16:15
Updated : 2023-12-10 13:41
NVD link : CVE-2020-26870
Mitre link : CVE-2020-26870
CVE.ORG link : CVE-2020-26870
JSON object : View
Products Affected
microsoft
- visual_studio_2019
- visual_studio_2017
cure53
- dompurify
oracle
- application_express
debian
- debian_linux
CWE
CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')