CVE-2026-48212: medium-severity vulnerability in OTRS
Stored XSS in external pages
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 4.8epss 0.1%
An OTRS administrator can enter arbitrary JavaScript into the content of an OTRS Custom Page, which is stored by the application and subsequently executed in the browser of users accessing that page.
This issue affects OTRS:
* 7.0.X
* 8.0.X
* 2023.X
* 2024.X
* 2025.X
* 2026.X before 2026.7.X
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Affected products
OTRS GmbH (former OTRS AG) · OTRSRelated CVEs — OTRS
In the same product, most dangerous first.
CVE-2026-78355HIGHPath Traversal in SendSupportBundle allows File Deletion Outside the Intended DirectoryEPSS 0.7%CVE-2026-93582CRITICALAuthentication Bypass via Spoofed Remote-User Header in HTTP Basic AuthenticationEPSS 0.4%CVE-2026-78357CRITICALInsufficient Session Revocation for JWT AuthenticationEPSS 0.3%CVE-2026-78356MEDIUMUnauthenticated Disclosure of Agent Frontend ConfigurationEPSS 0.3%CVE-2026-93581MEDIUMInsufficient Neutralization of Formula Elements in CSV ExportsEPSS 0.2%CVE-2026-78359MEDIUMDuplicate Identity / Identity Shadowing across CustomerUser backendsEPSS 0.2%