CVE-2022-31110

MEDIUM

RSSHub < 2022-06-21 - Denial of Service via Inefficient Regular Expression in Filter Parameters

Title source: llm
STIX 2.1

Description

RSSHub is an open source, extensible RSS feed generator. In commits prior to 5c4177441417 passing some special values to the `filter` and `filterout` parameters can cause an abnormally high CPU. This results in an impact on the performance of the servers and RSSHub services which may lead to a denial of service. This issue has been fixed in commit 5c4177441417 and all users are advised to upgrade. There are no known workarounds for this issue.

References (3)

Core 3
Core References
Patch, Third Party Advisory x_refsource_confirm
https://github.com/DIYgod/RSSHub/security/advisories/GHSA-jvxx-v45p-v5vf
Exploit, Issue Tracking, Mitigation, Third Party Advisory x_refsource_misc
https://github.com/DIYgod/RSSHub/issues/10045

Scores

CVSS v3 5.3
EPSS 0.0124
EPSS Percentile 65.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-1333 CWE-400
Status published
Products (2)
npm/rsshub 0npm
rsshub/rsshub < 2022-06-21
Published Jun 29, 2022
Tracked Since Feb 18, 2026