Advisories

wpDiscuz before 7.6.47 - Stored Cross-Site Scripting via Malicious Options Import

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severity
medium
date
Affecting
  • wpDiscuz < 7.6.47

CWE
  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSS
6.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
Credit
Scott Moore - VulnCheck
Description
wpDiscuz before 7.6.47 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious JavaScript by importing a crafted options file with unescaped customCss field values. Attackers can supply a malicious JSON import file containing script payloads in the customCss parameter that execute on every page when rendered through the options handler without proper sanitization.

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