← Vulnerability feed

Vulnerability record · CVE-2026-48209 · published 1 June 2026

CVE-2026-48209: Otrs cross-site scripting vulnerability

Otrs · Otrs

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

7.1 CVSS 3.1 High EPSS 0.36% · top 72.6% CWE-79 · Cross-site scriptingCWE-116 · CWE-116
7.1CVSS 3.1 base score
0.36%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
22 Jul 2026Last modified by NVD

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

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://otrs.com/release-notes/otrs-security-advisory-2026-08/ Vendor Advisory

Track CVE-2026-48209 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-23790Otrs improper input validation vulnerabilityImproper Input Validation vulnerability in the upload functionality for user avatars allows functionality misuse due to missing check of filetypes. T…EPSS 0.25%9.8CVE-2022-4427Otrs improper input validation vulnerabilityImproper Input Validation vulnerability in OTRS AG OTRS, OTRS AG ((OTRS)) Community Edition allows SQL Injection via TicketSearch Webservice This iss…EPSS 0.72%9.1CVE-2026-48188Otrs improper input validation vulnerabilityAn improper Input Validation vulnerability in OTRS or ((OTRS)) Community Edition database layer module allows an unauthenticated SQL injection which …EPSS 0.49%9.1CVE-2023-5422Otrs improper certificate validation vulnerabilityThe functions to fetch e-mail via POP3 or IMAP as well as sending e-mail via SMTP use OpenSSL for static SSL or TLS based communication. As the SSL_g…EPSS 0.28%8.8CVE-2023-38060Otrs improper input validation vulnerabilityImproper Input Validation vulnerability in the ContentType parameter for attachments on TicketCreate or TicketUpdate operations of the OTRS Generic I…EPSS 0.68%8.8CVE-2022-39051Otrs improper control of dynamically-managed code vulnerabilityAttacker might be able to execute malicious Perl code in the Template toolkit, by having the admin installing an unverified 3th party packageEPSS 0.81%8.8CVE-2021-36100Otrs os command injection vulnerabilitySpecially crafted string in OTRS system configuration can allow the execution of any system command.EPSS 1.3%8.8CVE-2013-4717Otrs sql injection vulnerabilityMultiple SQL injection vulnerabilities in Open Ticket Request System (OTRS) Help Desk 3.0.x before 3.0.22, 3.1.x before 3.1.18, and 3.2.x before 3.2.…EPSS 1.3%

Source: NIST National Vulnerability Database (record CVE-2026-48209), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.