CVE-2023-0835: markdown-pdf version 11.0.0 allows an external attacker to remotely obtain arbitrary local files

Q: How do I fix CVE-2023-0835?

markdown-pdf: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Q: Is CVE-2023-0835 being exploited?

CVE-2023-0835 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-0835 affect?

CVE-2023-0835 affects markdown-pdf. Severity is high (CVSS 8.2). 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.

Q: How urgent is CVE-2023-0835?

Priority 46/100. High severity; Public exploit reference

This month

HIGH 8.2DOWNGRADE

CVE-2023-0835 is a high-severity flaw (CVSS 8.2) affecting markdown-pdf. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 52%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-04-04
Last modified	2026-06-17

Publisher (CNA): Fluid Attacks · Vendor: markdown-pdf project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-04-04 23:15 UTCPublished CVE record published
2026-06-17 05:26 UTCUpdated Record last modified

markdown-pdf project markdown-pdf DOWNGRADE

Affected: 11.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 11.0.0

1. Check installed version

npm ls markdown-pdf

2. No fixed release: DOWNGRADE to a release before 11.0.0

npm view markdown-pdf versions npm install markdown-pdf@"<11.0.0"

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-0835?

markdown-pdf: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-0835 being exploited?

CVE-2023-0835 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-0835 affect?

CVE-2023-0835 affects markdown-pdf. Severity is high (CVSS 8.2). 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.

How urgent is CVE-2023-0835?

Priority 46/100. High severity; Public exploit reference

References

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