WordPress Core < 5.2.3 - Reflected Cross-Site Scripting via Shortcode Previews

2019-09-05 00:00

Zhouyuan Yang

Strategic Overview

Status

Patched in 3.7.30

Affected CoreWordPress 5.2

Affected Version3.7 – 5.2.2 · 17 branches

CVSS5.4Medium

CVECVE-2019-16219

View all WordPress 5.2 vulnerabilities

Vulnerability Overview

WordPress before 5.2.3 allows XSS in shortcode previews.

Technical Analysis

REMEDIATION: Update to one of the following versions, or a newer patched version: 3.7.30, 3.8.30, 3.9.28, 4.0.27, 4.1.27, 4.2.24, 4.3.20, 4.4.19, 4.5.18, 4.6.15, 4.7.13, 4.8.10, 4.9.11, 5.0.6, 5.1.2, 5.2.3 --- 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-2019-16219 https://www.wordfence.com/threat-intel/vulnerabilities/id/c510063e-1c64-40fa-842a-e7efd3dc550a

CVSS Vector

5.4

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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