CVE-2020-26870
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
Cross-site Scripting in dompurify
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | dompurify | <2.0.17 | 2.0.17 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-26870
- https://github.com/cure53/DOMPurify/commit/02724b8eb048dd219d6725b05c3000936f11d62d
- https://github.com/cure53/DOMPurify
- https://github.com/cure53/DOMPurify/compare/2.0.16...2.0.17
- https://lists.debian.org/debian-lts-announce/2020/10/msg00029.html
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-26870
- https://research.securitum.com/mutation-xss-via-mathml-mutation-dompurify-2-0-17-bypass
- https://snyk.io/vuln/SNYK-JS-DOMPURIFY-1016634
- https://www.oracle.com//security-alerts/cpujul2021.html
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.