CVE-2024-21535

Description

Versions of the package markdown-to-jsx before 7.4.0 are vulnerable to Cross-site Scripting (XSS) via the src property due to improper input sanitization. An attacker can execute arbitrary code by injecting a malicious iframe element in the markdown.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.03%
Third-Party Advisory snyk.io
Affected: n/a markdown-to-jsx
Published at:
Updated at:

References

Link Tags
https://security.snyk.io/vuln/SNYK-JS-MARKDOWNTOJSX-6258886 third party advisory
https://github.com/quantizor/markdown-to-jsx/commit/8eb74da825c0d8d2e9508d73c672bcae36ba555a patch

Frequently Asked Questions

What is the severity of CVE-2024-21535?
CVE-2024-21535 has been scored as a medium severity vulnerability.
How to fix CVE-2024-21535?
To fix CVE-2024-21535, 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-2024-21535 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-21535 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.
What software or system is affected by CVE-2024-21535?
CVE-2024-21535 affects n/a markdown-to-jsx.
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