StarCitizenWiki Extension Embed Video: Stored XSS via malformed src url with $wgEmbedVideoRequireConsent enabled

Summary With $wgEmbedVideoRequireConsent enabled the default, the urls for videos are stored in a json-ified data attributedata-mw-iframeconfig. When given a malformed url or id, the data-mw-iframeconfig attribute can be escaped via single quotes, allowing for html/javascript injection. Details T...

Trello: DOM based XSS via Wistia embedding

Hi, You are using Wistia to embed video at trello.com. However external script from fast.wistia.com vulnerable to XSS and allows to run malicious javascript on your side. vulnerable code: fast.wistia.net/assets/external/E-v1.js I found that parameter wchannel can be controled to load js from...