ZaidArif47 Exploits and Proofs of Concept

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ZaidArif47/CVE-2024-42009

Repository PoC1Created 2026-04-16ExploitCVE-2024-420094 files

193.1 KiB

Analysisdeepseek-v4-pro:cloud · 2026-08-09

Technical assessment

A Docker-based Proof-of-Concept for CVE-2024-42009, a stored XSS vulnerability in Roundcube Webmail. The README provides instructions to set up a vulnerable lab and send a crafted email that triggers JavaScript execution when a victim opens it.

Backdoor review

No backdoor observed in reviewed code

The supplied evidence consists solely of a README.md file describing a Proof-of-Concept for CVE-2024-42009, a stored XSS vulnerability in Roundcube. The README provides setup instructions using Docker, user creation commands, and a swaks command to send a crafted email that triggers an alert(1) in the victim's browser. No backdoor, concealed executable behavior, or operator-directed harm is present in the reviewed text. The artifact contains no executable source code; the only text file is the README, and the analysis scope confirms no executable source was identified.

ClassificationExploit

Model confidence95%

AuthenticationRequired

LanguagesMarkdownShell

Target softwareRoundcube Webmail

Attack typesCross-Site Scripting (XSS)

Evidence & reasoningClassification basis · observed behavior · safety review

Technical evidence

Classification basis and observed behavior

Classification basis

The README explicitly describes itself as a 'working Proof-of-Concept (PoC)' and provides a complete, step-by-step guide to set up a vulnerable environment and execute an attack that triggers JavaScript execution in a victim's browser. The provided swaks command includes a crafted payload designed to exploit the vulnerability, which is the defining characteristic of an exploit.

README.md:5README.md:75-83

Requirements

A running Roundcube instance with vulnerable version (≤ 1.5.7 or ≤ 1.6.7) and configured mail server.README.md:13-14
An attacker must be able to send an email to a victim user on the target Roundcube instance.README.md:75-83
The victim user must open the malicious email in the Roundcube web interface.README.md:90-92

Observed behavior

Sets up a vulnerable Roundcube lab environment using Docker.README.md:30-45
Creates test user accounts (attacker and victim) on the mail server.README.md:51-56
Sends a malicious HTML email containing a crafted body tag with an 'onanimationstart' event handler to the victim.README.md:75-83
When the victim opens the email in Roundcube, the injected JavaScript executes, demonstrated by an alert popup.README.md:90-92

Safety-review evidence

Behaviors behind the backdoor verdict

Observables

Exploit Payload: Payload withheldThe README instructs the user to send this HTML body via swaks to trigger an XSS alert in the victim's Roundcube instance. This is the expected PoC behavior for the stated CVE.README.md:83
Docker Setup Commands: Payload withheldStandard Docker commands to set up a local test environment. No hidden or malicious actions are indicated.README.md:44-55

Review boundaries

What the analysis did not establish

The analysis is based solely on the README.md file. The actual exploit payload, Docker configuration, and any other scripts are not included in the provided text evidence.
The evidence does not include the source code of the vulnerable Roundcube application or the specific sanitization logic that is bypassed.
The screenshots referenced in the README are not provided, so the visual proof of exploitation cannot be verified.
Only the README.md file was provided as readable text; 3 other files (including 2 non-text media files and 1 unclassified file) were not analyzed. The analysis scope reports no executable source code identified, but the complete artifact coverage is incomplete.

Model interpretation

This review is limited to the supplied PoC code and context. It does not assert that the code works or is safe to execute.

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