Misskey
CVE-2023-24812
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Parameterized queries, prepared statements
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Persistence The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could execute arbitrary SQL commands against the database by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
Misskey is an open source, decentralized social media platform. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This SQL Injection vulnerability could allow attackers to execute arbitrary SQL commands against the database.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Use parameterized queries/prepared statements. Never concatenate user input into SQL. Apply least-privilege database permissions.
Affects your stack
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Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as SQL Injection (CWE-89), which allows attackers to execute arbitrary SQL commands against the database. Misskey is an open source, decentralized social media platform. In versions prior to 13.3.3 SQL injection is possible due to insufficient parameter validation in the note search API by tag (notes/search-by-tag). This has been fixed in version 13.3.3. Users are advised to upgrade. Users unable to upgrade should block access to the api/notes/search-by-tag endpoint. Affected products include: Misskey. Version information: prior to 13.3.3.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
Misskey is an open source, decentralized social media platform. In versions prior to 13.3.3 SQL injection is possible due to insufficient parameter validation in the note search API by tag (notes/search-by-tag). This has been fixed in version 13.3.3. Users are advised to upgrade. Users unable to upgrade should block access to the api/notes/search-by-tag endpoint.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
SQL injection exploits the way applications construct database queries by mixing user input directly into SQL statements.
Affected Products (CPE)NVD
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Missing authorization checks in Misskey's favorites and clips export feature allow any authenticated user to read the co
Login rate-limit bypass in Misskey (versions 2025.9.1 through 2025.11.x, and up to but not including 2025.12.0-alpha.2)
Misskey before 10.102.4 allows hijacking a user's token. Rated medium severity (CVSS 6.1), this vulnerability is remotel
Misskey is an open source, decentralized social media platform. Rated critical severity (CVSS 9.6), this vulnerability i
Misskey is an open source, federated social media platform. Rated medium severity (CVSS 5.4), this vulnerability is remo
Signature validation bypass in Misskey (versions 12.37.0 through prior to 2026.5.4) allows an attacker to have spoofed A
JSON-LD signature validation in Misskey's ActivityPub federation layer accepts fraudulent federated activities due to a
Misskey is an open source, federated social media platform. Rated high severity (CVSS 8.8), this vulnerability is remote
Misskey is an open source, federated social media platform. Rated high severity (CVSS 8.8), this vulnerability is remote
Misskey is an open source, decentralized social media platform with ActivityPub support. Rated high severity (CVSS 8.8),
Client-side DOM cross-site scripting in Misskey's RSS widgets lets an attacker who controls or can inject into a feed th
Exploit-DB