How severe is CVE-2023-24810?

CVE-2023-24810 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2023-24810 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-24810?

CVE-2023-24810 affects Misskey. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-24810?

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-2023-24810 published?

CVE-2023-24810 was published on 2023-02-22 and last updated on 2026-06-17.

CVE-2023-24810

CVE-2023-24810 is a high-severity vulnerability in Misskey with a CVSS 3.x base score of 7.1. 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-79.

Key facts

Severity: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Misskey
Published: 2023-02-22
Last modified: 2026-06-17

Description

Misskey is an open source, decentralized social media platform. Due to insufficient validation of the redirect URL during `miauth` authentication in Misskey, arbitrary JavaScript can be executed when a user allows the link. All versions below 13.3.1 (including 12.x) are affected. This has been fixed in version 13.3.1. Users are advised to upgrade. Users unable to upgrade should not allow authentication of untrusted apps.

Frequently asked questions

What is CVE-2023-24810?: Misskey is an open source, decentralized social media platform. Due to insufficient validation of the redirect URL during `miauth` authentication in Misskey, arbitrary JavaScript can be executed when a user allows the link. All versions below 13.3.1 (including 12.x) are affected. This has been fixed in version 13.3.1. Users are advised to upgrade. Users unable to upgrade should not allow authentication of untrusted apps.
How severe is CVE-2023-24810?: CVE-2023-24810 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2023-24810 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-24810?: CVE-2023-24810 affects Misskey. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-24810?: 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-2023-24810 published?: CVE-2023-24810 was published on 2023-02-22 and last updated on 2026-06-17.

References

https://github.com/misskey-dev/misskey/security/advisories/GHSA-cc6r-chgr-8r5m

Affected products (1)

cpe:2.3:a:misskey:misskey:*:*:*:*:*:*:*:*

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