CVE-2019-15539

Name: CVE-2019-15539
Creator: NVD / NIST
Published: 2020-03-19T19:15:11.693+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.14%

Last modified Jun 17, 2026

CVE-2019-15539 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. The proj_doc_edit_page.php Project Documentation feature in MantisBT before 2.21.3 has a stored cross-site scripting (XSS) vulnerability, allowing execution of arbitrary code (if CSP settings permit it) after uploading an attachment with a crafted filename. The code is executed when editing the document's page.. EPSS estimates a 1.14% chance of exploitation in the next 30 days.

Description

The proj_doc_edit_page.php Project Documentation feature in MantisBT before 2.21.3 has a stored cross-site scripting (XSS) vulnerability, allowing execution of arbitrary code (if CSP settings permit it) after uploading an attachment with a crafted filename. The code is executed when editing the document's page.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.14%

62.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Mantisbt	Mantisbt	< 2.21.3

References

https://github.com/mantisbt/mantisbt/commit/bd094dede74ff6e313e286e949e2387233a96eeaPatch, Third Party Advisory
https://mantisbt.org/bugs/view.php?id=26078Permissions Required, Vendor Advisory
https://github.com/mantisbt/mantisbt/commit/bd094dede74ff6e313e286e949e2387233a96eeaPatch, Third Party Advisory
https://mantisbt.org/bugs/view.php?id=26078Permissions Required, Vendor Advisory

Timeline

Published: Mar 19, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-15539?

How severe is CVE-2019-15539?

CVE-2019-15539 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.14% probability of exploitation in the next 30 days.

How do I fix CVE-2019-15539?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-15539?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST