VDB
CVE-2020-26870
CVE-2020-26870
PUBLISHED
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.
EPSS 0.42% · 62.1th percentile
Risk Scores
EPSS Score
0.42%
62.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | dompurify.js | 0, 0.7.3~dfsg1-1, * |
| Ubuntu:18.04:LTS | dompurify.js | 0, 0.9.0~dfsg1-1, 0.9.0~dfsg1-2 |
Exploit Intelligence
- https://research.securitum.com/mutation-xss-via-mathml-mutation-dompurify-2-0-17-bypass/ (nist-nvd)
- cve-2023-22527-yara.yar (github-yara)
- cve-2023-22527-yara.yar (github-yara)
- cve-2023-22527-yara.yar (github-yara)
- cve-2023-22527-yara.yar (github-yara)
- cve-2023-22527-yara.yar (github-yara)
- cve-2023-22527-yara.yar (github-yara)
- cve-2023-22527-yara.yar (github-yara)
- cve-2023-22527-yara.yar (github-yara)
Timeline
- Oct 7, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Jul 20, 2021 CVE Updated
- Jul 21, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-26870 third-party-advisory
- https://research.securitum.com/mutation-xss-via-mathml-mutation-dompurify-2-0-17-bypass/ third-party-advisory
- https://github.com/cure53/DOMPurify/commit/02724b8eb048dd219d6725b05c3000936f11d62d third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-26870 third-party-advisory