CVE-2024-21535
Cross site scripting in markdown-to-jsx
6.1
MEDIUM
CVSS 3.1
EPSS 0.17%
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.
How to fix CVE-2024-21535
To remediate CVE-2024-21535, upgrade the affected package to a fixed version below.
- —upgrade to 7.2.0+dfsg-3 or later
- —upgrade to 7.4.0 or later
Is CVE-2024-21535 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 7.2.0+dfsg-3
- from 0, < 7.4.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:L/SI:L/SA:N |
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |