> For the complete documentation index, see [llms.txt](https://hacking-notes.jord4n.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hacking-notes.jord4n.pro/fr/web/xss/dom-xss-in-angularjs-with-encoded-angle-brackets-and-quotes.md).

# XSS DOM dans AngularJS avec chevrons et guillemets encodés

Notes sur le XSS DOM dans AngularJS avec chevrons et guillemets encodés pour les laboratoires PortSwigger Web Security Academy, y compris le flux de travail d’exploitation, les tests de charge utile, la validation avec Burp Suite et le contexte de remédiation co

### DOM XSS dans une expression AngularJS avec des chevrons et des guillemets doubles encodés en HTML

Cette activité montre une vulnérabilité XSS DOM dans une expression AngularJS utilisée par la fonctionnalité de recherche. AngularJS analyse les nœuds HTML contenant le `ng-app` directive et vous permet d'évaluer des expressions entre doubles crochets `{{ }}` — qui peut être détourné pour exécuter du JavaScript même lorsque les `<` et `>` chevrons et les guillemets sont encodés côté HTML. Objectif du laboratoire : injecter une expression AngularJS qui s'exécute `alert()`.

<figure><img src="https://3840167291-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-144456ee1f2d7e2c45d2f3e55c2fd7fb2ac5ec9a%2F%7B036786BD-5996-461F-9BA2-76A16B88C5B8%7D.png?alt=media" alt=""><figcaption></figcaption></figure>

* L’analyse du site avec Wappalyzer indique la présence d'AngularJS.
* La ressource All The ThingsPayloads contient des payloads utiles pour ce cas (exemples fournis ci-dessous).

Charges utiles testées

```javascript
{{constructor.constructor('alert(1)')()}}
```

```
{{[].pop.constructor&#40'alert/u00281/u0029'&#41&#40&#41}}
```

<figure><img src="https://3840167291-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fl4EVJpcOrsgjSGsLI7p2%2Fuploads%2Fgit-blob-a13b244e0acc5918db10b049e50f9378cc86ca9a%2F%7B33B844DD-73A1-4A36-B28C-4FA2CD0C6B61%7D.png?alt=media" alt=""><figcaption></figcaption></figure>


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