How severe is CVE-2018-3770?

CVE-2018-3770 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-3770 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-3770?

CVE-2018-3770 affects Markdown-pdf Project Markdown-pdf. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-3770?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-3770 published?

CVE-2018-3770 was published on 2018-07-20 and last updated on 2026-06-17.

CVE-2018-3770

CVE-2018-3770 is a medium-severity vulnerability in Markdown-pdf Project Markdown-pdf with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 1% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Markdown-pdf Project Markdown-pdf
Published: 2018-07-20
Last modified: 2026-06-17

Description

A path traversal exists in markdown-pdf version <9.0.0 that allows a user to insert a malicious html code that can result in reading the local files.

Frequently asked questions

What is CVE-2018-3770?: A path traversal exists in markdown-pdf version <9.0.0 that allows a user to insert a malicious html code that can result in reading the local files.
How severe is CVE-2018-3770?: CVE-2018-3770 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-3770 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-3770?: CVE-2018-3770 affects Markdown-pdf Project Markdown-pdf. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-3770?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-3770 published?: CVE-2018-3770 was published on 2018-07-20 and last updated on 2026-06-17.

References

https://hackerone.com/reports/360727

Affected products (1)

cpe:2.3:a:markdown-pdf_project:markdown-pdf:*:*:*:*:*:node.js:*:*

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