{"id":"CVE-2024-39919","aliases":["EUVD-2024-2232","GHSA-342q-2mc2-5gmp"],"status":"published","title":"Capture screenshot of localhost web services (unauthenticated pages) in @jmondi/url-to-png","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.","severity":{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00373,"percentile":0.31716,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200"],"published":"2024-07-15T17:47:00Z","modified":"2026-10-28T02:30:55Z","fixes":[{"ecosystem":"npm","package":"@jmondi/url-to-png","fixed_in":["2.1.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"@jmondi/url-to-png","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.2"}]}]},{"source":"osv","ecosystem":"npm","package":"@jmondi/url-to-png","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2.1.2"}]}]}],"products":[{"vendor":"jasonraimondi","product":"url-to-png"}],"references":[{"url":"https://github.com/jasonraimondi/url-to-png/security/advisories/GHSA-342q-2mc2-5gmp","tags":["x_refsource_CONFIRM","x_transferred","advisory","web"]},{"url":"https://github.com/jasonraimondi/url-to-png/commit/f62ff40403ffa1781459d6be8d97b8035888c00c","tags":["x_refsource_MISC","x_transferred","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-39919","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-342q-2mc2-5gmp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/39xxx/CVE-2024-39919.json","tags":["advisory"]},{"url":"https://github.com/jasonraimondi/url-to-png","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2024-39919","title":"Capture screenshot of localhost web services (unauthenticated pages) in @jmondi/url-to-png","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.","status":"published","published":"2024-07-15T19:53:23.192Z","modified":"2024-08-02T04:33:11.149Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:34:18.951288Z"}],"euvd":[{"id":"EUVD-2024-2232","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.","status":"published","published":"2024-07-15T19:53:23Z","modified":"2024-08-02T04:33:11Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-03T03:50:17.469599Z"}],"ghsa":[{"id":"GHSA-342q-2mc2-5gmp","title":"@jmondi/url-to-png enables capture screenshot of localhost web services (unauthenticated pages)","description":"### Summary\n\nThe maintainer been contemplating whether FTP or other protocols could serve as useful functionalities, but there may not be a practical reason for it since we are utilizing headless Chrome to capture screenshots. The argument is based on the assumption that this package can function as a service.\n\nThe 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.\n\nThe maintainer is of the opinion that the package should also have a blacklist due to a potential vulnerability (or rather design oversight). If someone hosts this on a server, users could then capture screenshots of other web services running locally.\n\nUnless this is strictly for web pages. Something similar here: https://github.com/follow-redirects/follow-redirects/issues/235 (localhost is intended for end users or hosts to deny, and the package is for HTTP/HTTPS.)\n\nThis is marked as a `LOW` since the maintainer is not sure if this is a vulnerability, but it's still best to highlight it. :) \n\n### PoC\n\nHave a service like so running locally:\n\n```js\nconst http = require(\"http\")\n\nconst server = http.createServer((req, res) =\u003e {\n  console.log(\"Received headers:\", req.headers)\n  res.writeHead(200, { \"Content-Type\": \"text/plain\" })\n  res.end(\"Something private! But Hello from Server 2 :)\")\n})\n\nserver.listen(3001, () =\u003e {\n  console.log(\"Server two running on http://localhost:3001\")\n})\n```\n\nRun the package in dev mode, `pnpm dev`. Feed these URLs:\n\n```\nhttp://localhost:3089/?url=http://[::]:3001\u0026width=4000\nhttp://localhost:3089/?url=http://localhost:3001\u0026width=4000\nhttp://localhost:3089/?url=http://127.0.01:3001\u0026width=4000\n```\n\n\u003cimg width=\"622\" alt=\"image\" src=\"https://github.com/jasonraimondi/url-to-png/assets/42532003/21f1c883-ba00-4a15-83b8-922484fa4c2b\"\u003e\n\n\n\n### Impact\nDisclose internal web services?\n","status":"published","published":"2024-07-15T17:47:00Z","modified":"2024-11-18T16:26:52Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"},{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:38:20.012356Z"}],"nvd":[{"id":"CVE-2024-39919","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.","status":"published","published":"2024-07-15T20:15:04.38Z","modified":"2026-06-17T07:43:01.517Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:10:12.994089Z"}],"osv":[{"id":"CVE-2024-39919","title":"Capture screenshot of localhost web services (unauthenticated pages) in @jmondi/url-to-png","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.","status":"published","published":"2024-07-15T19:53:23.192Z","modified":"2026-10-28T02:30:55.760004723Z","cvss":[{"version":"3.1","score":3.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:44:41.618074Z"},{"id":"GHSA-342q-2mc2-5gmp","title":"@jmondi/url-to-png enables capture screenshot of localhost web services (unauthenticated pages)","description":"### Summary\n\nThe maintainer been contemplating whether FTP or other protocols could serve as useful functionalities, but there may not be a practical reason for it since we are utilizing headless Chrome to capture screenshots. The argument is based on the assumption that this package can function as a service.\n\nThe 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.\n\nThe maintainer is of the opinion that the package should also have a blacklist due to a potential vulnerability (or rather design oversight). If someone hosts this on a server, users could then capture screenshots of other web services running locally.\n\nUnless this is strictly for web pages. Something similar here: https://github.com/follow-redirects/follow-redirects/issues/235 (localhost is intended for end users or hosts to deny, and the package is for HTTP/HTTPS.)\n\nThis is marked as a `LOW` since the maintainer is not sure if this is a vulnerability, but it's still best to highlight it. :) \n\n### PoC\n\nHave a service like so running locally:\n\n```js\nconst http = require(\"http\")\n\nconst server = http.createServer((req, res) =\u003e {\n  console.log(\"Received headers:\", req.headers)\n  res.writeHead(200, { \"Content-Type\": \"text/plain\" })\n  res.end(\"Something private! But Hello from Server 2 :)\")\n})\n\nserver.listen(3001, () =\u003e {\n  console.log(\"Server two running on http://localhost:3001\")\n})\n```\n\nRun the package in dev mode, `pnpm dev`. Feed these URLs:\n\n```\nhttp://localhost:3089/?url=http://[::]:3001\u0026width=4000\nhttp://localhost:3089/?url=http://localhost:3001\u0026width=4000\nhttp://localhost:3089/?url=http://127.0.01:3001\u0026width=4000\n```\n\n\u003cimg width=\"622\" alt=\"image\" src=\"https://github.com/jasonraimondi/url-to-png/assets/42532003/21f1c883-ba00-4a15-83b8-922484fa4c2b\"\u003e\n\n\n\n### Impact\nDisclose internal web services?\n","status":"published","published":"2024-07-15T17:47:00Z","modified":"2026-09-10T03:50:16.201440765Z","cvss":[{"version":"3.1","score":3.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"low"},{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N","level":"medium"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T15:46:35.050232Z"}]}}