CVE-2018-5773

Description

An issue was discovered in markdown2 (aka python-markdown2) through 2.3.5. The safe_mode feature, which is supposed to sanitize user input against XSS, is flawed and does not escape the input properly. With a crafted payload, XSS can be triggered, as demonstrated by omitting the final '>' character from an IMG tag.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.26%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/trentm/python-markdown2/issues/285 third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-5773?
CVE-2018-5773 has been scored as a medium severity vulnerability.
How to fix CVE-2018-5773?
To fix CVE-2018-5773, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-5773 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-5773 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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