How severe is CVE-2023-22493?

CVE-2023-22493 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2023-22493 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-22493?

CVE-2023-22493 affects Rsshub. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-22493?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-22493 published?

CVE-2023-22493 was published on 2023-01-13 and last updated on 2026-06-17.

CVE-2023-22493

CVE-2023-22493 is a high-severity vulnerability in Rsshub with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Rsshub
Published: 2023-01-13
Last modified: 2026-06-17

Description

RSSHub is an open source RSS feed generator. RSSHub is vulnerable to Server-Side Request Forgery (SSRF) attacks. This vulnerability allows an attacker to send arbitrary HTTP requests from the server to other servers or resources on the network. An attacker can exploit this vulnerability by sending a request to the affected routes with a malicious URL. An attacker could also use this vulnerability to send requests to internal or any other servers or resources on the network, potentially gain access to sensitive information that would not normally be accessible and amplifying the impact of the attack. The patch for this issue can be found in commit a66cbcf.

Frequently asked questions

What is CVE-2023-22493?: RSSHub is an open source RSS feed generator. RSSHub is vulnerable to Server-Side Request Forgery (SSRF) attacks. This vulnerability allows an attacker to send arbitrary HTTP requests from the server to other servers or resources on the network. An attacker can exploit this vulnerability by sending a request to the affected routes with a malicious URL. An attacker could also use this vulnerability to send requests to internal or any other servers or resources on the network, potentially gain access to sensitive information that would not normally be accessible and amplifying the impact of the attack. The patch for this issue can be found in commit a66cbcf.
How severe is CVE-2023-22493?: CVE-2023-22493 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2023-22493 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-22493?: CVE-2023-22493 affects Rsshub. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-22493?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-22493 published?: CVE-2023-22493 was published on 2023-01-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rsshub:rsshub:*:*:*:*:*:node.js:*:*

More vulnerabilities in Rsshub

CVE-2021-21278 — High (CVSS 8.6): RSSHub is an open source, easy to use, and extensible RSS feed generator. In RSSHub before version 7f1c430…
CVE-2024-27927 — Medium (CVSS 6.5): RSSHub is an open source RSS feed generator. Prior to version 1.0.0-master.a429472, RSSHub allows remote attackers to…
CVE-2024-27926 — Medium (CVSS 6.1): RSSHub is an open source RSS feed generator. Starting in version 1.0.0-master.cbbd829 and prior to version…
CVE-2023-26491 — Medium (CVSS 5.4): RSSHub is an open source and extensible RSS feed generator. When the URL parameters contain certain special characters,…
CVE-2022-31110 — Medium (CVSS 5.3): RSSHub is an open source, extensible RSS feed generator. In commits prior to 5c4177441417 passing some special values…

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