Server-Side Template Injection in FoF Pretty Mail by Friends of Flarum
CVE-2024-58303

8.6HIGH

Key Information:

Vendor

Flarum

Status
Friendsofflarum Pretty Mail
Vendor
CVE Published:
11 December 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2024-58303?

FoF Pretty Mail version 1.1.2 is susceptible to a server-side template injection vulnerability that enables administrative users to insert malicious code into email templates. This flaw can be exploited by attackers who craft specific template expressions, triggering arbitrary code execution during the email generation process. As a result, attackers could execute system commands, leading to severe security implications. Organizations using this plugin should review their implementations and apply necessary patches to mitigate potential risks.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

FriendsofFlarum Pretty Mail 1.1.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2024-58303 - Proof of Concept

References

https://www.exploit-db.com/exploits/51948
exploit
https://flarum.org/
product
https://github.com/FriendsOfFlarum/pretty-mail
product

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Chokri Hammedi, <chokri.hammedi@unknown>
JSON
.