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‎advisories/github-reviewed/2026/06/GHSA-m8xx-3x29-84h8/GHSA-m8xx-3x29-84h8.json‎

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{
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"schema_version": "1.4.0",
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"id": "GHSA-m8xx-3x29-84h8",
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"modified": "2026-06-03T20:25:50Z",
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"published": "2026-06-03T20:25:50Z",
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"aliases": [
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"CVE-2022-31114"
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],
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"summary": "backpack/crud is vulnerable to Cross-Site Scripting (XSS)",
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"details": "### Impact\n\nIt’s a “*moderate*” vulnerability… but being an admin panel, we take this seriously. It’s difficult… but an attacker could conduct a targeted phishing campaign, in order to **trick your users or admins to click a malicious link, which under very specific circumstances could give them information... or even admin access**. It’s *unlikely*, but that’s not good enough in admin panels - we should make it *impossible*. That’s why we’re bothering you with this. \n\n### Patches\n\n\nIf you don’t have custom error views, the views provided by Backpack would output the exception message *without escaping it*, which made an attack possible using Reflected XSS, in some very specific circumstances (that we will not disclose). **To fix those error views in Backpack 4.x and 5.x, please run**:\n\n```bash\ncomposer update backpack/crud\nphp artisan backpack:fix\n```\n\nThe problem has been patched in:\n- v4.0.63\n- v4.1.69\n- v5.0.13\n\n> **IMPORTANT! Running a `composer update` should get you the patched version, but you also need to run `php artisan backpack:fix` afterwards, to patch your published error views, if necessary.**\n\n### Workarounds\n\nAlternatively (if you don’t want to run `composer update`), you can manually look inside your error views in “*resources/views/errors*” and output `e($exception->getMessage())` instead of `$exception->getMessage()`. That’s all there is to the fix, really.\n\n### What we've done about this\n\nWe’ve acted as soon as our team found it (last week of March 2022):\n- We’ve pushed patches to 5.x, 4.1 and 4.0;\n- We’ve made it easy to apply the fix to existing projects, using a new `php artisan backpack:fix` command;\n- We’ve kept the specific circumstances a secret; as far as we know, only our team knows about the niche case where this exploit is possible;\n- We’ve emailed all our licensed users, to have a chance to fix their projects before it’s public;\n- We've sent an email blast to our 25.000+ strong Security Newsletter;\n- We've made this public with a blog post and soon a CVE, after our community has had a reasonable chance to fix their projects;\n- We will continue to monitor this and remind paying users to apply this fix if they haven’t;\n\n### For more information\n\nIf you have any questions or comments about this advisory:\n* Open an issue in [backpack/crud](https://github.com/laravel-backpack/crud)\n* Email us at [hello@backpackforlaravel.com](mailto:hello@backpackforlaravel.com)\n\n---\n\nPS. You can [read this blog post](https://backpackforlaravel.com/articles/news/we-recommend-you-fix-this-vulnerability) for more information.",
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"severity": [
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{
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"type": "CVSS_V4",
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"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"
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}
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],
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"affected": [
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{
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"package": {
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"ecosystem": "Packagist",
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"name": "backpack/crud"
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},
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"ranges": [
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{
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"type": "ECOSYSTEM",
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"events": [
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{
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"introduced": "5.0.0"
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},
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{
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"fixed": "5.0.13"
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}
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]
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}
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]
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},
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{
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"package": {
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"ecosystem": "Packagist",
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"name": "backpack/crud"
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},
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"ranges": [
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{
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"type": "ECOSYSTEM",
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"events": [
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{
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"introduced": "4.1.0"
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},
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{
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"fixed": "4.1.69"
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}
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]
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}
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]
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},
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{
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"package": {
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"ecosystem": "Packagist",
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"name": "backpack/crud"
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},
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"ranges": [
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{
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"type": "ECOSYSTEM",
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"events": [
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{
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"introduced": "0"
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},
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{
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"fixed": "4.0.63"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"type": "WEB",
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"url": "https://github.com/Laravel-Backpack/CRUD/security/advisories/GHSA-m8xx-3x29-84h8"
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},
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{
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"type": "ADVISORY",
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-31114"
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},
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{
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"type": "PACKAGE",
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"url": "https://github.com/Laravel-Backpack/CRUD"
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}
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],
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"database_specific": {
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"cwe_ids": [
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"CWE-79"
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],
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"severity": "MODERATE",
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"github_reviewed": true,
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"github_reviewed_at": "2026-06-03T20:25:50Z",
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"nvd_published_at": "2026-06-03T16:16:18Z"
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}
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}

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