What is CVE-2020-16266?

CVE-2020-16266 is a medium-severity vulnerability in Mantisbt, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-08-12.

How severe is CVE-2020-16266?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Mantisbt

CVE-2020-16266

An XSS issue was discovered in MantisBT before 2.24.2. Improper escaping on view_all_bug_page.php allows a remote attacker to inject arbitrary HTML into the page by saving it into a text Custom Field, leading to possible code execution in the browser of any user subsequently viewing the issue (if CSP settings allow it).

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.013 (67.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Mantisbt
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (x_refsource_CONFIRM, Exploit, Patch, Issue Tracking, Vendor Advisory)
cve@mitre.org (x_refsource_CONFIRM, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2020-16266?: CVE-2020-16266 is a medium-severity vulnerability in Mantisbt, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2020-08-12.
How severe is CVE-2020-16266?: Medium severity. CVSS v3 base score is 5.4 out of 10.