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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0001.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Jamiesage123 Subscribe
Mybb Thread Redirect Plugin Subscribe

No data.

No data.

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Vendors Products
Jamiesage123 Subscribe
Mybb Thread Redirect Plugin Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/jamiesage123/Thread-Redirect cve-icon cve-icon
https://www.exploit-db.com/exploits/49505 cve-icon cve-icon
https://www.vulncheck.com/advisories/mybb-thread-redirect-plugin-cross-site-scripting cve-icon cve-icon
History

Mon, 26 Jan 2026 12:00:00 +0000

Type Values Removed Values Added
First Time appeared Jamiesage123
Jamiesage123 mybb Thread Redirect Plugin
Vendors & Products Jamiesage123
Jamiesage123 mybb Thread Redirect Plugin

Fri, 23 Jan 2026 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 23 Jan 2026 17:00:00 +0000

Type Values Removed Values Added
Description 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.
Title MyBB Thread Redirect Plugin 0.2.1 - Cross-Site Scripting
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-01-23T19:31:27.246Z

Reserved: 2025-09-30T15:15:35.886Z

Link: CVE-2018-25116

cve-icon Vulnrichment

Updated: 2026-01-23T19:31:22.661Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-01-23T17:15:49.297

Modified: 2026-01-26T15:03:33.357

Link: CVE-2018-25116

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-26T11:52:49Z

Weaknesses