XSS in Otrs

CVE-2020-1771

Attacker is able craft an article with a link to the customer address book with malicious content (JavaScript). When agent opens the link, JavaScript code is executed due to the missing parameter encoding. This issue affects: ((OTRS)) Community Edition: 6.0.26 and prior versions. OTRS: 7.0.15 and prior versions.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.008 (54.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-1771?
CVE-2020-1771 is a medium-severity vulnerability in Otrs, classified under Cross-site Scripting. CVSS score: 4.6/10. Published 2020-03-27.
How severe is CVE-2020-1771?
Medium severity. CVSS v3 base score is 4.6 out of 10.
Is CVE-2020-1771 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.