What’s Vulnerable › Vulnerabilities

CVE-2024-39919: Capture screenshot of localhost web services (unauthenticated pages) in @jmondi/url-to-png

• Severity: low (CVSS 3.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-07-15 · updated 2026-06-17
• Weakness: CWE-200

Description

@jmondi/url-to-png is an open source URL to PNG utility featuring parallel rendering using Playwright for screenshots and with storage caching via Local, S3, or CouchDB. The package includes an `ALLOW_LIST` where the host can specify which services the user is permitted to capture screenshots of. By default, capturing screenshots of web services running on localhost, 127.0.0.1, or the [::] is allowed. If someone hosts this project on a server, users could then capture screenshots of other web services running locally. This issue has been addressed in version 2.1.1 with the addition of a blocklist. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected products

• jasonraimondi url-to-png: 2.1.1

References

• https://github.com/jasonraimondi/url-to-png/commit/f62ff40403ffa1781459d6be8d97b8035888c00c
• https://github.com/jasonraimondi/url-to-png/security/advisories/GHSA-342q-2mc2-5gmp
• https://github.com/jasonraimondi/url-to-png/commit/f62ff40403ffa1781459d6be8d97b8035888c00c
• https://github.com/jasonraimondi/url-to-png/security/advisories/GHSA-342q-2mc2-5gmp

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