What is CVE-2016-5364?

CVE-2016-5364 is a medium-severity vulnerability in Mantisbt, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-02-17.

How severe is CVE-2016-5364?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Mantisbt

CVE-2016-5364

Cross-site scripting (XSS) vulnerability in manage_custom_field_edit_page.php in MantisBT 1.2.19 and earlier allows remote attackers to inject arbitrary web script or HTML via the return parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-02-17 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.019 (78.5th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

Mantisbt

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/mantisbt/mantisbt/commit/5068df2dcf79c34741c746c9b27e0083f2a374da (Patch)
mantisbt.org/bugs/view.php (Exploit, Patch, Vendor Advisory)
github.com/mantisbt/mantisbt/commit/11ab3d6c82a1d3a89b1024f77349fb60a83743c5 (Patch)
www.openwall.com/lists/oss-security/2016/06/11/5 (mailing-list, Patch, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2016-5364?: CVE-2016-5364 is a medium-severity vulnerability in Mantisbt, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-02-17.
How severe is CVE-2016-5364?: Medium severity. CVSS v3 base score is 6.1 out of 10.