title: RSSHub Cross-site Scripting vulnerability caused by internal media proxy
description: RSSHub is an open source RSS feed generator. Starting in version 1.0.0-master.cbbd829 and prior to version 1.0.0-master.d8ca915, ahen the specially crafted image is supplied to the internal media proxy, it proxies the image without handling XSS vulnerabilities, allowing for the execution of arbitrary JavaScript code. Users who access the deliberately constructed URL are affected. This vulnerability was fixed in version 1.0.0-master.d8ca915. No known workarounds are available.
problem types: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
affected:
{
vendor: DIYgod
product: RSSHub
versions:
version: >= 1.0.0-master.cbbd829, < 1.0.0-master.d8ca915, status: affected
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 6.1
baseSeverity: MEDIUM
confidentialityImpact: LOW
integrityImpact: LOW
privilegesRequired: NONE
scope: CHANGED
userInteraction: REQUIRED
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
version: 3.1
]