CVE-2021-43459

MEDIUM

Rumble Mail Server <0.51.3135 - XSS

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-43459. PoCs published by Mohammed Alshehri.

AI-analyzed exploit summary This exploit demonstrates a stored XSS vulnerability in Rumble Mail Server 0.51.3135 via the `domain` and `path` parameters. The PoC sends a crafted POST request with malicious JavaScript payloads, which are then rendered in the application's response.

Description

A Cross Site Scripting (XSS) vulnerability exists in Rumble Mail Server 0.51.3135 via the (1) domain and (2) path parameters.

Exploits (1)

exploitdb WORKING POC
by Mohammed Alshehri · textwebappsmultiple
https://www.exploit-db.com/exploits/49254

This exploit demonstrates a stored XSS vulnerability in Rumble Mail Server 0.51.3135 via the `domain` and `path` parameters. The PoC sends a crafted POST request with malicious JavaScript payloads, which are then rendered in the application's response.

Classification
Working Poc 100%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Rumble Mail Server 0.51.3135
Auth required
Prerequisites: Access to the admin interface · Valid credentials for authentication
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (1)

Core 1
Core References
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
https://www.exploit-db.com/exploits/49254

Scores

CVSS v3 5.4
EPSS 0.0056
EPSS Percentile 42.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
rumble_mail_server_project/rumble_mail_server 0.51.3135
Published Apr 04, 2022
Tracked Since Feb 18, 2026