WP Meta SEO <= 4.4.6 - Admin+ Stored Cross-Site Scripting via breadcrumbs

2022-05-02 00:00

Victor Pasman

Strategic Overview

Status

Patched in 4.4.7

Affected PluginWP Meta SEO

Affected Version<= 4.4.6

CVSS5.5Medium

CVECVE-2022-1093

View all WP Meta SEO vulnerabilities

Vulnerability Overview

The WP Meta SEO WordPress plugin before 4.4.7 does not sanitise or escape the breadcrumb separator before outputting it to the page, allowing a high privilege user such as an administrator to inject arbitrary javascript into the page even when unfiltered html is disallowed.

Technical Analysis

REMEDIATION: Update to version 4.4.7, or a newer patched version --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) 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.

External References

https://www.cve.org/CVERecord?id=CVE-2022-1093 https://www.wordfence.com/threat-intel/vulnerabilities/id/bce8b43a-a69e-44d1-adab-98253e86cb33

CVSS Vector

5.5

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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