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🐍 PyPI
Not in CISA KEV
HIGH severity

CVE-2024-1647 — pyhtml2pdf

HIGH

CVE-2024-1647 is a high-severity (CVSS 7.5) Cross-site Scripting (XSS) vulnerability in pyhtml2pdf. The records list no fixed version yet; check the vendor advisory below and apply the mitigations in the meantime.

Cross-site Scripting in Pyhtml2pdf

Also known asPYSEC-2024-301
Published
Updated
Affected
1 pkg
Patched
See advisory
Exploits
None indexed
Exploitation data as of Nov 6, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

Proof-of-concept exploit code exists

  • CISA’s SSVC triage found public proof-of-concept exploit code for this CVE, though no confirmed active exploitation.

Exploitation and automatability from CISA’s SSVC triage for CVE-2024-1647.

EPSS Exploitation Probability

via FIRST.org ↗
0.7%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs53th percentile — riskier than 53% of all scored CVEsHighest risk
0.00%0.40%0.80%1.19%0.2%0.7%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
🐍pyhtml2pdf

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects PyPI packages — download data is not available via public APIs for these ecosystems.

Description

Pyhtml2pdf version 0.0.6 allows an external attacker to remotely obtain

arbitrary local files. This is possible because the application does not

validate the HTML content entered by the user.

Affected Packages

1 total
EcosystemPackageVulnerable rangeFix
🐍PyPIpyhtml2pdfall versionsNo fix

Affected Products

1 product · 1 configurations
Application
pyhtml2pdfkumaf
1 version
0.0.6

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for pyhtml2pdf, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Remediation status

    The records we use list no patched version of pyhtml2pdf for CVE-2024-1647. Check the maintainer's advisory, and where your build allows, override or pin the dependency away from the vulnerable range.

  3. Mitigate without a patch

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

Pyhtml2pdf version 0.0.6 allows an external attacker to remotely obtain arbitrary local files. This is possible because the application does not validate the HTML content entered by the user.
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CVE-2024-1647: pyhtml2pdf: Cross-site Scripting