What is CVE-2023-0835?

CVE-2023-0835 is a high-severity vulnerability in Markdown-Pdf Project, classified under Cross-site Scripting. CVSS score: 8.2/10. Published 2023-04-04.

How severe is CVE-2023-0835?

High severity. CVSS v3 base score is 8.2 out of 10.

XSS in Markdown-Pdf Project

CVE-2023-0835

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2023-04-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (46.7th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Markdown-Pdf Project — versions 11.0.0
Markdown-Pdf — versions 11.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

fluidattacks.com/advisories/relsb/ (Exploit, Third Party Advisory)
www.npmjs.com/package/markdown-pdf/ (Product)

Frequently asked questions

What is CVE-2023-0835?: CVE-2023-0835 is a high-severity vulnerability in Markdown-Pdf Project, classified under Cross-site Scripting. CVSS score: 8.2/10. Published 2023-04-04.
How severe is CVE-2023-0835?: High severity. CVSS v3 base score is 8.2 out of 10.