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WpvulndbWPVDB-ID:F112800E-CA7C-4502-959E-347A0F6FC625

HistoryFeb 29, 2024 - 12:00 a.m.

Essential Blocks < 4.5.2 - Contributor+ Stored XSS

2024-02-2900:00:00

wpscan.com

plugin vulnerability

stored xss

authentication bypass

input sanitization

output escaping

arbitrary web scripts

6.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

5.8 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.0%

JSON

Description The plugin is vulnerable to Stored Cross-Site Scripting via the blockId parameter due to insufficient input sanitization and output escaping, allowing authenticated attackers, with contributor access or higher, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CPENameOperatorVersion
eq4.5.2

CPE	Name	Operator	Version
		eq	4.5.2

References

www.wordfence.com/threat-intel/vulnerabilities/id/86364b6f-dec8-48d8-9d2d-de1ee4901872

6.4 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

5.8 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.0%

JSON

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