6.1med

CVE-2017-15612

Cross-site Scripting in Mistune

Also known as GHSA-hpv5-v8g5-c864, PYSEC-2017-80

Published 9 y ago · modified 4 mo ago · JSON

CVSS
6.1
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.9%
percentile 61%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

0.93% probability of exploitation in the next 30 days, higher than 61% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.06.1CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD2.04.3AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub3.06.1CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

EcosystemPackageAffectedFixed in
pypimistune
<0.8
0.8

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

  • github.com /lepture/mistune/pull/140 · x_refsource_CONFIRM, x_transferred
  • nvd.nist.gov /vuln/detail/CVE-2017-15612 · advisory
  • github.com /lepture/mistune/commit/d6f0b6402299bf5a380e7b4e77bd80e8736630fe · web
  • github.com /advisories/GHSA-hpv5-v8g5-c864 · advisory
  • github.com /lepture/mistune · package
  • github.com /pypa/advisory-database/tree/main/vulns/mistune/PYSEC-2017-80.yaml · web

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.