CVE-2018-14392

MEDIUM

New Threads plugin < 1.2 for MyBB - Cross-Site Scripting

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-14392. PoCs published by 0xB9.

AI-analyzed exploit summary This exploit demonstrates a stored XSS vulnerability in the MyBB New Threads Plugin (version 1.1) by injecting a malicious script into a thread title, which executes when the index page is visited.

Description

The New Threads plugin before 1.2 for MyBB has XSS.

Exploits (1)

exploitdb WORKING POC
by 0xB9 · textwebappsphp
https://www.exploit-db.com/exploits/45057

This exploit demonstrates a stored XSS vulnerability in the MyBB New Threads Plugin (version 1.1) by injecting a malicious script into a thread title, which executes when the index page is visited.

Classification
Working Poc 100%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: MyBB New Threads Plugin 1.1
Auth required
Prerequisites: Access to create a new thread in the MyBB forum
MITRE ATT&CK
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/45057/

Scores

CVSS v3 6.1
EPSS 0.4856
EPSS Percentile 98.7%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
mybb/new_threads < 1.2
Published Jul 19, 2018
Tracked Since Feb 18, 2026