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patchstackMarc MontasPATCHSTACK:A2109C084FCE51ECC566B3FAB29D17B4
HistoryOct 29, 2020 - 12:00 a.m.

WordPress <= 5.5.1 - Cross-Site Scripting (XSS) via Global Variables vulnerability

2020-10-2900:00:00
Marc Montas
patchstack.com
21

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

Cross-Site Scripting (XSS) via Global Variables vulnerability found by Marc Montas in WordPress (versions <= 5.5.1).

Solution

           Update the WordPress to the latest available version (at least 5.5.2).
CPENameOperatorVersion
wordpressle5.5.1

6.1 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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