CVE-2026-18430
Last modified
CVE-2026-18430 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. HumHub 1.18.4 contains a stored cross-site scripting vulnerability in the comment-deletion notification flow. A Space administrator can delete another user's comment, choose to notify the original author, and place HTML/JavaScript in the deletion reason.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.
Description
HumHub 1.18.4 contains a stored cross-site scripting vulnerability in the comment-deletion notification flow. A Space administrator can delete another user's comment, choose to notify the original author, and place HTML/JavaScript in the deletion reason.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| HumHub | HumHub | 1.18.4 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-18430?
How severe is CVE-2026-18430?
How do I fix CVE-2026-18430?
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-2026-18424Concrete CMS 9.0.0 to 9.5.2 is vulnerable to Server-Side Req…7.1
- CVE-2026-18425Concrete CMS 9 before 9.5.3 authorized the dashboard sitemap…2.7
- CVE-2026-18426Concrete CMS 9.0.0 through 9.5.2 did not enforce a block-lev…6.5
- CVE-2026-18427@fastify/static before version 10.1.3 contains an incomplete…7.5
- CVE-2026-18428A SQL query validation bypass in the Flint extension query h…8.8
- CVE-2026-1843The Super Page Cache plugin for WordPress is vulnerable to S…7.2
- CVE-2026-18431The Avada theme for WordPress is vulnerable to Arbitrary Fil…9.8
- CVE-2026-18432The Frontend Admin by DynamiApps plugin for WordPress is vul…9.8
- CVE-2026-18433GitLab has remediated an issue in GitLab EE affecting all ve…4.3
- CVE-2026-18435The Kadence Blocks — Page Builder Toolkit for Gutenberg Edit…6.4
- CVE-2026-18436The MailPress plugin for WordPress is vulnerable to unauthor…5.3
- CVE-2026-18437The MailerPress – Newsletter, email marketing & AI automatio…5.3
Are you affected by CVE-2026-18430?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
