TI-2021-04532 Aliases CVE-2021-21434 GHSA-2rff-cr3q-94jm

XSS in Survey Module

LOW 23CWE-79Published 2021-02-08 · Updated 2024-09-17

Key facts

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

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

Summary

Survey administrator can craft a survey in such way that malicious code can be executed in the agent interface (i.e. another agent who wants to make changes in the survey). This issue affects: OTRS AG Survey 6.0.x version 6.0.20 and prior versions; 7.0.x version 7.0.19 and prior versions.

Why it matters now

EPSS 0.00668 52nd 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	Survey	6.0.x – 6.0.20; 7.0.x – 7.0.19	—	No fix listed	CNA

Survey VendorOTRS AG Affected 6.0.x – 6.0.20; 7.0.x – 7.0.19 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:otrs:survey::::::::	6.0.0 – 6.0.20; 7.0.0 – 7.0.19	Vulnerable	OTRS AG

cpe:2.3:a:otrs:survey:*:*:*:*:*:*:*:* Versions 6.0.0 – 6.0.20; 7.0.0 – 7.0.19 Vulnerable ·OTRS AG

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-21434
2026-10-03 Alias added: GHSA-2rff-cr3q-94jm
2026-10-08 EPSS moved to the 50th–90th percentile

References

Advisory 1

https://otrs.com/release-notes/otrs-security-advisory-2021-01/

TI-2023-19481 XSS stored in survey answers CVSS 3.1MEDIUM 5.4

Sources

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