GenerateBlocks <= 1.3.5 - Authenticated (Contributor+) Stored Cross-Site Scripting

2021-11-01 00:00

apple502j

Strategic Overview

Status

Patched in 1.4.0

Affected PluginGenerateBlocks

Affected Version<= 1.3.5

CVSS6.4Medium

CVECVE-2021-24751

View all GenerateBlocks vulnerabilities

Vulnerability Overview

The GenerateBlocks WordPress plugin before 1.4.0 does not validate the generateblocks/container block's tagName attribute, which could allow users with a role as low as contributor to perform Cross-Site Scripting attacks.

Technical Analysis

REMEDIATION: Update to version 1.4.0, 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-2021-24751 https://www.wordfence.com/threat-intel/vulnerabilities/id/ffd3ecc8-8b76-453f-b2e9-a9c70c58edbf

CVSS Vector

6.4

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

Base

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

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