CVE-2021-21441

XSS in the ticket overview screens

HIGH
7.5
CVSS Score
Published: June 16, 2021 at 09:50 AM UTC
Updated: June 17, 2026 at 03:35 AM UTC
1 product affected across 1 vendorOTRS

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

Description

There is a XSS vulnerability in the ticket overview screens. It's possible to collect various information by having an e-mail shown in the overview screen. Attack can be performed by sending specially crafted e-mail to the system and it doesn't require any user intraction. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.26 and prior versions.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≥ 6.0.16.0.1 ≤ v < 6.0.x*7.0.0 ≤ v ≤ 7.0.267.0.x ≤ v ≤ 7.0.266.0.17.0.x
Affected range stops below 6.0.x*, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

7.5HIGHOTRS
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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