# CVE-2019-15074: MantisBT allows cross-site scripting (XSS) via crafted filename

> Stored XSS in MantisBT allows arbitrary code execution via crafted attachment filenames, impacting users viewing the issue.

- **Severity:** Critical 9.6 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H`)
- **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:** Yes
- **Published:** 21 Aug 2019
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-gg4j-279j-22ph

## What is CVE-2019-15074?

CVE-2019-15074 is a critical cross-site scripting vulnerability in Mantisbt Mantisbt, published on 21 Aug 2019. 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

The Timeline feature in my_view_page.php in MantisBT through 2.21.1 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 for any user having visibility to the issue, whenever My View Page is displayed.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2019-15074?

2 open source packages ship an affected version, including mantisbt/mantisbt. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `mantisbt/mantisbt` | Packagist | All versions | 2.21.2 |
| `mantisbt/mantisbt` | Packagist | All versions | 2.21.2 |

Products: Mantisbt Mantisbt.

## How do I fix CVE-2019-15074?

Upgrade mantisbt/mantisbt to 2.21.2 or later.

## Is CVE-2019-15074 being exploited?

There is no known exploitation of CVE-2019-15074 in the wild and no public exploit code.

## Other vulnerabilities in Mantisbt Mantisbt

- [CVE-2026-30849](https://insights.sbomify.com/CVE-2026-30849/): MantisBT SOAP API has an authentication bypass vulnerability on MySQL (critical 9.3)
- [CVE-2025-47776](https://insights.sbomify.com/CVE-2025-47776/): MantisBT: Authentication bypass for some passwords due to PHP type juggling (high 8.8)
- [CVE-2017-7615](https://insights.sbomify.com/CVE-2017-7615/): MantisBT allows arbitrary password reset (high 8.8)
- [CVE-2026-33517](https://insights.sbomify.com/CVE-2026-33517/): MantisBT Vulnerable to Stored HTML Injection in Tag Delete Confirmation (high 8.6)
- [CVE-2026-33548](https://insights.sbomify.com/CVE-2026-33548/): MantisBT has Stored HTML Injection / XSS when displaying Tags in Timeline (high 8.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-15074 and fix it if it is affected.

What it is: CVE-2019-15074 is a critical cross-site scripting vulnerability in Mantisbt Mantisbt, published on 21 Aug 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2019-15074 in the wild and no public exploit code.

Affected packages and fixed versions:
- mantisbt/mantisbt (Packagist): affected all versions; fixed in 2.21.2
- mantisbt/mantisbt (Packagist): affected all versions; fixed in 2.21.2

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2019-15074/ (Markdown: https://insights.sbomify.com/CVE-2019-15074/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-15074
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-15074
- OSV: https://osv.dev/vulnerability/CVE-2019-15074

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-15074/
Summaries are generated and may contain mistakes; the official description above is the record.