CVE-2018-14504 MantisBT allows XSS on the Edit Filter page via crafted filter name
An attacker can execute arbitrary code via a crafted filter name in MantisBT, potentially compromising user sessions or data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-14504?
CVE-2018-14504 is a medium-severity cross-site scripting vulnerability in Mantisbt Mantisbt, published on 3 Aug 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
An issue was discovered in manage_filter_edit_page.php in MantisBT 2.x through 2.15.0. A cross-site scripting (XSS) vulnerability in the Edit Filter page allows execution of arbitrary code (if CSP settings permit it) when displaying a filter with a crafted name (e.g., 'foobar" onclick="alert(1)').
Weakness: CWE-79
Which versions are affected by CVE-2018-14504?
2 open source packages ship an affected version, including mantisbt/mantisbt. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
mantisbt/mantisbt Packagist | From 2.0.0 | 2.15.1 |
mantisbt/mantisbt Packagist | From 2.0.0 | 2.15.1 |
Products include Mantisbt Mantisbt.
How do I fix CVE-2018-14504?
Upgrade mantisbt/mantisbt to 2.15.1 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2018-14504 being exploited?
There is no known exploitation of CVE-2018-14504 in the wild and no public exploit code.
Other vulnerabilities in Mantisbt Mantisbt
- CVE-2019-15074 MantisBT allows cross-site scripting (XSS) via crafted filename
- CVE-2026-30849 MantisBT SOAP API has an authentication bypass vulnerability on MySQL
- CVE-2025-47776 MantisBT: Authentication bypass for some passwords due to PHP type juggling
- CVE-2017-7615 MantisBT allows arbitrary password reset
- CVE-2026-33517 MantisBT Vulnerable to Stored HTML Injection in Tag Delete Confirmation
Sources
Also known as GHSA-74gh-5j33-vg4w.