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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (28.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 29th percentile — 28.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
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
References
- otrs.com/release-notes/otrs-security-advisory-2023-09/ (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.