Improper Input Validation Affecting python-bleach package, versions <2.1.3-1
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.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Improper Input Validation vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-DEBIANUNSTABLE-PYTHONBLEACH-272409
- published7 Mar 2018
- disclosed7 Mar 2018
Introduced: 7 Mar 2018
CVE-2018-7753 (opens in a new tab)How to fix?
Upgrade Debian:unstable python-bleach to version 2.1.3-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream python-bleach package and not the python-bleach package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
An issue was discovered in Bleach 2.1.x before 2.1.3. Attributes that have URI values weren't properly sanitized if the values contained character entities. Using character entities, it was possible to construct a URI value with a scheme that was not allowed that would slide through unsanitized.