CVE-2018-5773 - CVE House
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Status published Medium CVE-2018-5773

An issue was discovered in markdown2 (aka python-markdown2) through 2.3.5....

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from python-markdown2 project

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CVE-2020-11888
python-markdown2 through 2.3.8 allows XSS because element names are mishandled...
Medium 6.1

Affected Vendor

python-markdown2 project

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Affected Software

python-markdown2
Vulnerable Versions:
0

Timeline

Official Publish: January 18th, 2018
Last Modified: September 16th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.