HOMEVULNERABILITIESCVE-2022-31110
HIGH

CVE-2022-31110

CWE-400Published: June 29, 2022· Updated: Jun 17, 2026

7.5
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2022-31110 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in availability disruption (denial of service), with a CVSS base score of 7.5.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Vendors & Products

rsshub1 product(s)
rsshub
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttps://github.com/DIYgod/RSSHub/commit/5c4177441417b44a6e45c3c63e9eac2504abeb5b
PATCHhttps://github.com/DIYgod/RSSHub/security/advisories/GHSA-jvxx-v45p-v5vf
PATCHhttps://github.com/DIYgod/RSSHub/commit/5c4177441417b44a6e45c3c63e9eac2504abeb5b
PATCHhttps://github.com/DIYgod/RSSHub/security/advisories/GHSA-jvxx-v45p-v5vf
ADVISORYhttps://github.com/DIYgod/RSSHub/issues/10045
ADVISORYhttps://github.com/DIYgod/RSSHub/issues/10045

All References (6)

→
https://github.com/DIYgod/RSSHub/commit/5c4177441417b44a6e45c3c63e9eac2504abeb5bPatch · Third Party Advisory
→
https://github.com/DIYgod/RSSHub/issues/10045Exploit · Issue Tracking · Mitigation · Third Party Advisory
→
https://github.com/DIYgod/RSSHub/security/advisories/GHSA-jvxx-v45p-v5vfPatch · Third Party Advisory
→
https://github.com/DIYgod/RSSHub/commit/5c4177441417b44a6e45c3c63e9eac2504abeb5bPatch · Third Party Advisory
→
https://github.com/DIYgod/RSSHub/issues/10045Exploit · Issue Tracking · Mitigation · Third Party Advisory
→
https://github.com/DIYgod/RSSHub/security/advisories/GHSA-jvxx-v45p-v5vfPatch · Third Party Advisory

Quick Facts

CVE IDCVE-2022-31110
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-400
CISA KEVNo
Affected1 vendor(s)
PublishedJun 29, 2022

Related CVEs (CWE-400)

CVE-2025-24264
9.8
CVE-2024-39462
9.8
CVE-2025-24247
9.8
CVE-2024-45166
9.8
CVE-2023-28507
9.8
CVE-2022-48716
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2022-31110 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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