CSP Evaluator is a tool that allows developers to check if a Content Security Policy (CSP) serves as mitigation against XSS attacks.

Latest Version

Version
0.3.2
Update
July 12, 2024
Size
297KiB
Developer
Category
Users
20,000+
Rating
2.96552 ★
Manifest Version
3
Web Store Status
Languages Support
English
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Permissions
Storage
WebRequest
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CSP Evaluator Extension

CSP Evaluator is a small tool that allows developers and security experts to check if a Content Security Policy (CSP) serves as a strong mitigation against cross-site scripting attacks. Reviewing CSP policies is usually a very manual process and most developers are not aware of CSP bypasses.
CSP Evaluator checks are based on a large-scale empirical study and are aimed to help developers to harden their CSP. This tool is provided only for the convenience of developers and Google provides no guarantees or warranties for this tool.
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Source Manifest.json

{"update_url": "https://clients2.google.com/service/update2/crx", "action": { "default_icon": "resources/icon-grey.png", "default_popup": "app.html" }, "background": { "service_worker": "background.js", "type": "module" }, "content_scripts": [ { "js": [ "contentscript.js" ], "matches": [ "" ], "run_at": "document_start", "world": "ISOLATED" } ], "description": "CSP Evaluator is a tool that allows developers to check if a Content Security Policy (CSP) serves as mitigation against XSS attacks.", "host_permissions": [ "" ], "icons": { "128": "resources/icon128.png", "16": "resources/icon16.png", "48": "resources/icon48.png" }, "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxTdUrnDTdQe6lGka/IE62s/+41don/T6yFYZhU78nkuyqElw5iWij+0vd+RpEyaGw3Gvr3bvg7q+6PJDnGiNuEmrK+1JjSlBjRmZacVl+T2/+bescjwY9VYuIdE6m/4ZRoiixuEyZbxboGeNQRPTH7Nr8NNarDZd6sMIS9utX5WxLKvE6WUMAJrMS5rdCrfZz+LGKcJJFgvPnA5l+wu6jkn9LTjRWmggXLDOKP0emtIngzPrbQIpeM1nRBxXWgrHNjnLzxo0TOFr5LdmgjJXi8/ruWga9vohOnBcwR5bEncKt0K5aSHJ2TN+lrnszQHydK15XWJyC7Y1tpwoiNoSdQIDAQAB", "manifest_version": 3, "minimum_chrome_version": "88", "name": "CSP Evaluator", "permissions": [ "storage", "webRequest" ], "short_name": "CSP Evaluator", "version": "0.3.2", "web_accessible_resources": []}
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User reviews

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Helio Bentes (ID: 000000c4d506f16e) Voted 1 ★ - Updated 04/17/2023 It doesn't detect meta CSP and it doesn't say anything about it on the description

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Serghei Iakovlev (ID: 00000091940cefba) Voted 1 ★ - Updated 04/17/2023 For some unknown reason, when the extension was enabled, my browser sent additional requests to the sites. As a result, I lost a lot of hours debugging my site and trying to find the cause of the duplicate requests. As soon as I turned off the extension, the problem disappeared.

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Justus Wingert (ID: 000000c3a8d2f012) Voted 5 ★ - Updated 10/25/2022 Macht wenig überraschend exakt das was dran steht. Keine Ahnung was an anderer Stelle schief gegangen ist, aber es funktioniert sogar in Edge.

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Support Analytics RESONEO (ID: 000000ce037ca3d0) Voted 1 ★ - Updated 09/06/2022 Keeps crashing in Chrome 104

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Enis Shala (ID: 00000002568dbebb) Voted 1 ★ - Updated 08/25/2022 used it sometime ago and it was working just fine, with current version of chrome is not working anymore, it keeps crashing Version 104.0.5112.101