What is CVE-2023-5421?

CVE-2023-5421 is a low-severity vulnerability in Otrs, classified under Improper Input Validation. CVSS score: 3.5/10. Published 2023-10-16.

How severe is CVE-2023-5421?

Low severity. CVSS v3 base score is 3.5 out of 10.

Is CVE-2023-5421 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Otrs

CVE-2023-5421

An attacker who is logged into OTRS as an user with privileges to create and change customer user data may manipulate the CustomerID field to execute JavaScript code that runs immediatly after the data is saved.The issue onlyoccurs if the configuration for AdminCustomerUser::UseAutoComplete was changed before. This issue affects OTRS: from 7.0.X before 7.0.47, from 8.0.X before 8.0.37; ((OTRS)) Community Edition: from 6.0.X through 6.0.34.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.004 (30.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N.

Affected products

Otrs
Otrs Ag — versions 7.0.x, 8.0.x
Otrs Ag ((Otrs)) Community Edition — versions 6.0.x

Weakness classification (CWE)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

security@otrs.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-5421?: CVE-2023-5421 is a low-severity vulnerability in Otrs, classified under Improper Input Validation. CVSS score: 3.5/10. Published 2023-10-16.
How severe is CVE-2023-5421?: Low severity. CVSS v3 base score is 3.5 out of 10.
Is CVE-2023-5421 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.