CVE-2026-34212
Last modified
CVE-2026-34212 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Docmost is open-source collaborative wiki and documentation software. In versions prior to 0.71.0, improper neutralization of attachment URLs in Docmost allows a low-privileged authenticated user to store a malicious `javascript:` URL inside an attachment node in page content. EPSS estimates a 0.21% chance of exploitation in the next 30 days.
Description
Docmost is open-source collaborative wiki and documentation software. In versions prior to 0.71.0, improper neutralization of attachment URLs in Docmost allows a low-privileged authenticated user to store a malicious `javascript:` URL inside an attachment node in page content. When another user views the page and activates the attachment link/icon, attacker-controlled JavaScript executes in the context of the Docmost origin. Version 0.71.0 patches the issue.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Docmost | Docmost | < 0.71.0 |
References
- https://github.com/docmost/docmost/security/advisories/GHSA-cf68-cff9-hq4wExploit, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-34212?
How severe is CVE-2026-34212?
How do I fix CVE-2026-34212?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-34206Captcha Protect is a Traefik middleware to add an anti-bot c…6.1
- CVE-2026-34207TypeBot is a chatbot builder tool. In versions prior to 3.16…7.6
- CVE-2026-34208SandboxJS is a JavaScript sandboxing library. Prior to 0.8.3…10
- CVE-2026-34209mppx is a TypeScript interface for machine payments protocol…7.5
- CVE-2026-34210mppx is a TypeScript interface for machine payments protocol…8.1
- CVE-2026-34211SandboxJS is a JavaScript sandboxing library. Prior to 0.8.3…7.5
- CVE-2026-34213Docmost is open-source collaborative wiki and documentation …5.4
- CVE-2026-34214Trino is a distributed SQL query engine for big data analyti…6.5
- CVE-2026-34215Parse Server is an open source backend that can be deployed …6.5
- CVE-2026-34216CtrlPanel is open-source billing software for hosting provid…6.6
- CVE-2026-34217SandboxJS is a JavaScript sandboxing library. Prior to 0.8.3…7.2
- CVE-2026-34218ClearanceKit intercepts file-system access events on macOS a…6.3
Are you affected by CVE-2026-34212?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST