CVE-2023-0835
Published: 04 April 2023
Summary
CVE-2023-0835 is a high-severity Cross-site Scripting (CWE-79) vulnerability in Markdown-Pdf Project Markdown-Pdf. Its CVSS base score is 8.2 (High).
Operationally, ranked at the 35.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-1375
Vulnerability details
markdown-pdf version 11.0.0 allows an external attacker to remotely obtain arbitrary local files. This is possible because the application does not validate the Markdown content entered by the user.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.