Vulnerability · Published Mar 3, 2023 · Assigned by GitHub_M

CVE-2023-26491RSSHub is vulnerable to cross-site scripting (XSS) via unvalidated URL parameters

Medium 5.4

In plain English

A medium-severity cross-site scripting in RSSHub from DIYgod. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.4%top 62.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

RSSHub is an open source and extensible RSS feed generator. When the URL parameters contain certain special characters, it returns an error page that does not properly handle 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 c910c4d28717fb860fbe064736641f379fab2c91. Please upgrade to this or a later version, there are no known workarounds.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
npmrsshub1.0.0-master.c910c4dGHSA-32gr-4cq6-5w5q

Affected products (as reported)

VendorProductVersions
DIYgod RSSHub < 1.0.0-master.c910c4d

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L

References