# CVE-2024-58303: FoF Pretty Mail 1.1.2 Server Side Template Injection via Email Template Settings

> Administrative users can execute arbitrary system commands via server-side template injection in email templates of the FoF Pretty Mail plugin.

- **Severity:** High 8.6 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 11 Dec 2025
- **Updated:** 8 Oct 2026
- **Also known as:** GHSA-947q-2xw3-gx9c

## What is CVE-2024-58303?

CVE-2024-58303 is a high-severity code injection vulnerability in FriendsofFlarum Pretty Mail, published on 11 Dec 2025. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

FoF Pretty Mail 1.1.2 contains a server-side template injection vulnerability that allows administrative users to inject malicious code into email templates. Attackers can execute system commands by inserting crafted template expressions that trigger arbitrary code execution during email generation.

Weakness: CWE-1336 (Improper Neutralization of Special Elements Used in a Template Engine)

## Which versions are affected by CVE-2024-58303?

2 open source packages ship an affected version, including fof/pretty-mail.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `fof/pretty-mail` | Packagist | All versions to 1.1.2 | None |
| `fof/pretty-mail` | Packagist | All versions to 1.1.2 | None |

## How do I fix CVE-2024-58303?

No fix has been published for CVE-2024-58303 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-58303 being exploited?

There is no known exploitation of CVE-2024-58303 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-58303 and fix it if it is affected.

What it is: CVE-2024-58303 is a high-severity code injection vulnerability in FriendsofFlarum Pretty Mail, published on 11 Dec 2025. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-58303 in the wild and no public exploit code.

Affected packages and fixed versions:
- fof/pretty-mail (Packagist): affected all versions up to 1.1.2; no fix listed
- fof/pretty-mail (Packagist): affected all versions up to 1.1.2; no fix listed

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-2024-58303/ (Markdown: https://insights.sbomify.com/CVE-2024-58303/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-58303
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-58303
- OSV: https://osv.dev/vulnerability/CVE-2024-58303

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-58303/
Summaries are generated and may contain mistakes; the official description above is the record.