Cross-site Scripting (XSS) Affecting mistune package, versions <0.8-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published25 Jul 2026
- disclosed19 Oct 2017
Introduced: 19 Oct 2017
CVE-2017-15612 (opens in a new tab)How to fix?
Upgrade Echo:latest mistune to version 0.8-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mistune package and not the mistune package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
mistune.py in Mistune 0.7.4 allows XSS via an unexpected newline (such as in java\nscript:) or a crafted email address, related to the escape and autolink functions.