CVE-2021-47702

MEDIUM

OpenBMCS 2.4 - Cross-Site Request Forgery via sendFeedback.php Endpoint

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-47702. PoCs published by LiquidWorm.

AI-analyzed exploit summary This exploit demonstrates a CSRF vulnerability in OpenBMCS 2.4, allowing an attacker to send arbitrary emails via a crafted HTML form if a logged-in user visits a malicious site. The PoC submits a POST request to the vulnerable endpoint without requiring additional user interaction.

Description

OpenBMCS 2.4 contains a CSRF vulnerability that allows attackers to perform actions with administrative privileges by exploiting the sendFeedback.php endpoint. Attackers can submit malicious requests to trigger unintended actions, such as sending emails or modifying system settings.

Exploits (1)

exploitdb WORKING POC
by LiquidWorm · textwebappsphp
https://www.exploit-db.com/exploits/50667

This exploit demonstrates a CSRF vulnerability in OpenBMCS 2.4, allowing an attacker to send arbitrary emails via a crafted HTML form if a logged-in user visits a malicious site. The PoC submits a POST request to the vulnerable endpoint without requiring additional user interaction.

Classification
Working Poc 90%
Attack Type
Other
Complexity
Trivial
Reliability
Reliable
Target: OpenBMCS 2.4
Auth required
Prerequisites: Victim must be authenticated in OpenBMCS · Victim must visit attacker-controlled webpage
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Exploit, Third Party Advisory, VDB Entry exploit
https://www.exploit-db.com/exploits/50667
Product product
https://www.openbmcs.com
Exploit, Third Party Advisory third-party-advisory
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2022-5691.php

Scores

CVSS v3 4.3
EPSS 0.0016
EPSS Percentile 5.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-352
Status published
Products (2)
OPEN BMCS/OpenBMCS 2.4
openbmcs/openbmcs 2.4
Published Dec 09, 2025
Tracked Since Feb 18, 2026