VDB-342700 · CVE-2018-25116 · Exploit 49505

jamiesage123 MyBB Thread Redirect Plugin 0.2.1 cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in jamiesage123 MyBB Thread Redirect Plugin 0.2.1. The affected element is an unknown function. Executing a manipulation can lead to cross site scripting. This vulnerability is registered as CVE-2018-25116. It is possible to launch the attack remotely. Furthermore, an exploit is available.

Detailsinfo

A vulnerability was found in jamiesage123 MyBB Thread Redirect Plugin 0.2.1. It has been declared as problematic. This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect confidentiality, and integrity. CVE summarizes:

MyBB Thread Redirect Plugin 0.2.1 contains a cross-site scripting vulnerability in the custom text input field for thread redirects. Attackers can inject malicious SVG scripts that will execute when other users view the thread, allowing arbitrary script execution.

The weakness was published by 0xB9 as 49505. The advisory is shared for download at exploit-db.com. This vulnerability was named CVE-2018-25116 since 09/30/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (49505). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Content Management System

Vendor

jamiesage123

Name

MyBB Thread Redirect Plugin

Version

0.2.1

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.4
VulDB Temp Score: 4.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.1
CNA Vector (VulnCheck): 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/30/2025 CVE reserved
01/23/2026 +115 days Advisory disclosed
01/23/2026 +0 days VulDB entry created
01/23/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 49505
Researcher: 0xB9
Status: Not defined

CVE: CVE-2018-25116 (🔒)
GCVE (CVE): GCVE-0-2018-25116
GCVE (VulDB): GCVE-100-342700
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 01/23/2026 18:46
Changes: 01/23/2026 18:46 (80)
Complete: 🔍
Cache ID: 216::103