TI-2021-04539 Aliases CVE-2021-21441 GHSA-jpp9-9j52-jc5j

XSS in the ticket overview screens

LOW 35CWE-79Published 2021-06-16 · Updated 2024-09-16

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

EPSS 0.01089 65th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
OTRS AG	((OTRS)) Community Edition	6.0.1 and later	—	No fix listed	CNA
OTRS AG	OTRS	7.0.x – 7.0.26	—	No fix listed	CNA

((OTRS)) Community Edition VendorOTRS AG Affected 6.0.1 and later Fixed in — No fix listed CNA
OTRS VendorOTRS AG Affected 7.0.x – 7.0.26 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:otrs:otrs:::::community:::*	6.0.1	Vulnerable	OTRS AG
cpe:2.3:a:otrs:otrs::::::::	7.0.0 – 7.0.26	Vulnerable	OTRS AG

cpe:2.3:a:otrs:otrs:*:*:*:*:community:*:*:* Versions 6.0.1 Vulnerable ·OTRS AG
cpe:2.3:a:otrs:otrs:*:*:*:*:*:*:*:* Versions 7.0.0 – 7.0.26 Vulnerable ·OTRS AG

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-21441
2026-10-03 Alias added: GHSA-jpp9-9j52-jc5j

References

Advisory 1

https://otrs.com/release-notes/otrs-security-advisory-2021-11/

Other 1

[debian-lts-announce] 20230831 [SECURITY] [DLA 3551-1] otrs2 security update

TI-2017-12458 In OTRS 6.0.x up to and including 6.0.1, OTRS 5.0.x up to and including 5.0.24, and OTRS… CVSS 3.0HIGH 8.8
TI-2026-35608 SQL Injection via MySQL Quote Method CVSS 3.1CRITICAL 9.1
TI-2023-04991 SSL Certificates are not checked for E-Mail Handling CVSS 3.1CRITICAL 9.1
TI-2022-04045 SQL Injection via OTRS Search API CVSS 3.1CRITICAL 9.8
TI-2017-12258 Code injection exists in Kernel/System/Spelling.pm in Open Ticket Request System (OTRS) 5… CVSS 3.0HIGH 8.8
TI-2017-06753 In Open Ticket Request System (OTRS) 3.3.x through 3.3.16, 4.x through 4.0.23, and 5.x… CVSS 3.0HIGH 8.8

See all 141 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences