CVE-2026-100521
Last modified
CVE-2026-100521 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Cotonti through 1.0.0 contains a reflected cross-site scripting vulnerability in the search plugin highlight parameter that performs no HTML or JavaScript escaping. Attackers can craft malicious links with injected JavaScript in the highlight parameter that executes in the browser of any visitor who opens the link, including administrators..
Description
Cotonti through 1.0.0 contains a reflected cross-site scripting vulnerability in the search plugin highlight parameter that performs no HTML or JavaScript escaping. Attackers can craft malicious links with injected JavaScript in the highlight parameter that executes in the browser of any visitor who opens the link, including administrators.
Metrics
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-100521?
How severe is CVE-2026-100521?
How do I fix CVE-2026-100521?
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-2026-100503Ghidra versions through 12.1.4 contain a heap use-after-free…3.3
- CVE-2026-100504Ghidra versions through 12.1.4 contain a stack-based out-of-…7
- CVE-2026-100505Ghidra versions 11.2 through 12.1.4 contain a heap out-of-bo…4.4
- CVE-2026-10051In Eclipse Jetty, a first HTTP/1.1 request with trailers cau…7.5
- CVE-2026-10052A flaw was found in the Quay config-tool's LDAP and SMTP val…4.1
- CVE-2026-100520Laranode versions before 1.2.1 contain a path traversal vuln…8.8
- CVE-2026-100522Cotonti through 1.0.0 contains a reflected cross-site script…6.1
- CVE-2026-100523Cotonti through 1.0.0 contains an open redirect vulnerabilit…6.1
- CVE-2026-100524Cotonti through 1.0.0 contains a cross-site request forgery …5.4
- CVE-2026-10053GitLab has remediated an issue in GitLab CE/EE affecting all…8.8
- CVE-2026-10054In affected versions of Eclipse Theia (1.8.1 and later), the…8.8
- CVE-2026-10055In Eclipse Theia since version 1.26.0, the backend /services…8.5
Are you affected by CVE-2026-100521?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
