CVE-2026-48209
Last modified
CVE-2026-48209 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. An improper neutralization of user-controllable input in OTRS or ((OTRS)) Community Edition ticket handling allows authenticated attackers to perform reflected cross-site scripting (XSS) attacks via crafted request parameters associated with ticket actions. By injecting malicious JavaScript into manipulated request URLs, attackers can execute arbitrary script code in the context of an authenticated agent session when the crafted link is opened. This issue affects OTRS: * 7.0.x Please note that ((OTRS)) Community Edition 6.x and before are vulnerable. EPSS estimates a 0.22% chance of exploitation in the next 30 days.
Description
An improper neutralization of user-controllable input in OTRS or ((OTRS)) Community Edition ticket handling allows authenticated attackers to perform reflected cross-site scripting (XSS) attacks via crafted request parameters associated with ticket actions. By injecting malicious JavaScript into manipulated request URLs, attackers can execute arbitrary script code in the context of an authenticated agent session when the crafted link is opened. This issue affects OTRS: * 7.0.x Please note that ((OTRS)) Community Edition 6.x and before are vulnerable. Products based on the ((OTRS)) Community Edition also very likely to be affected
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Otrs | Otrs | <= 6.0.32 |
| Otrs | Otrs | >= 7.0.0, <= 7.0.49 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-48209?
How severe is CVE-2026-48209?
How do I fix CVE-2026-48209?
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-2026-48203Improper Neutralization of Special Elements in Output Used b…9.1
- CVE-2026-48204Improper Input Validation, Improper Access Control vulnerabi…9.8
- CVE-2026-48205Improper Input Validation, Server-Side Request Forgery (SSRF…9.1
- CVE-2026-48206Improper Input Validation, Authorization Bypass Through User…5.3
- CVE-2026-48207Deserialization of untrusted data in Apache Fory PyFory. PyF…9.8
- CVE-2026-48208An improper neutralization of active SVG content in OTRS or …6.5
- CVE-2026-4821Rejected reason: This CVE ID has been rejected or withdrawn …
- CVE-2026-48210An improper default configuration in OTRS 2026.3.1 causes ti…5.7
- CVE-2026-48213Open ISES Tickets before 3.44.2 contains a reflected cross-s…5.4
- CVE-2026-48214Open ISES Tickets before 3.44.2 contains a reflected cross-s…5.4
- CVE-2026-48215Open ISES Tickets before 3.44.2 contains a reflected cross-s…5.4
- CVE-2026-48216Open ISES Tickets before 3.44.2 contains a reflected cross-s…5.4
Are you affected by CVE-2026-48209?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
