What is CVE-2023-26491?

CVE-2023-26491 is a medium-severity vulnerability in Diygod Rsshub, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-03-03.

How severe is CVE-2023-26491?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Diygod Rsshub

CVE-2023-26491

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (35.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L.

Affected products

Diygod Rsshub — versions < 1.0.0-master.c910c4d
Rsshub

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2023-26491?: CVE-2023-26491 is a medium-severity vulnerability in Diygod Rsshub, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2023-03-03.
How severe is CVE-2023-26491?: Medium severity. CVSS v3 base score is 5.4 out of 10.