CVE-2024-27926: rsshub XSS — Fix

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.

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CVSS v3.1 Score

6.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
rsshub	rsshub	1.0.0-master.cbbd829 — 1.0.0-master.d8ca915

References

Advisories & Patches

https://github.com/DIYgod/RSSHub/commit/4d3e5d79c1c17837e931b4cd253d2013b487aa87 https://github.com/DIYgod/RSSHub/security/advisories/GHSA-2wqw-hr4f-xrhh https://github.com/DIYgod/RSSHub/commit/4d3e5d79c1c17837e931b4cd253d2013b487aa87 https://github.com/DIYgod/RSSHub/security/advisories/GHSA-2wqw-hr4f-xrhh

Frequently Asked Questions

What is CVE-2024-27926? +

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. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2024-27926? +

CVE-2024-27926 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-27926? +

CVE-2024-27926 affects products from rsshub, specifically: rsshub. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-27926? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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