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Published: 17/09/2018 Updated: 07/11/2018

CVSS v2 Base Score: 3.5 | Impact Score: 2.9 | Exploitability Score: 6.8

CVSS v3 Base Score: 5.4 | Impact Score: 2.7 | Exploitability Score: 2.3

VMScore: 355

Vector: AV:N/AC:M/Au:S/C:N/I:P/A:N

A Persistent XSS issue exists in the Visual Editor in MyBB prior to 1.8.19 via a Video MyCode.

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# Title: MyBB Visual Editor 1818 - Cross-Site Scripting # Author: Numan OZDEMIR # Vendor Homepage: mybbcom # Software Link: mybbcom/download/ # Version: Up to v1818 Fixed in v1819 # PoC Video: numanozdemircom/mybb/xssmp4 # CVE: CVE-2018-17128 # Description: # Attacker can run JavaScript codes in victim user's browser wh ...

MyBB Visual Editor versions 1818 and below suffer from a cross site scripting vulnerability ...

CWE-79 https://blog.mybb.com/2018/09/11/mybb-1-8-19-released-security-maintenance-release/https://www.exploit-db.com/exploits/45449/https://nvd.nist.gov https://www.exploit-db.com/exploits/45449/

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CVE-2018-17128

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