YOP Poll <= 6.3.0 - Author+ Stored Cross-Site Scripting via Options Module

2021-10-15 00:00

Vishnupriya Ilango

Strategic Overview

Status

Patched in 6.3.1

Affected PluginYOP Poll

Affected Version<= 6.3.0

CVSS5.4Medium

CVECVE-2021-24834

View all YOP Poll vulnerabilities

Vulnerability Overview

The YOP Poll WordPress plugin before 6.3.1 is affected by a stored Cross-Site Scripting vulnerability which exists in the Create Poll - Options module where a user with a role as low as author is allowed to execute arbitrary script code within the context of the application. This vulnerability is due to insufficient validation of custom label parameters - vote button label , results link label and back to vote caption label.

Technical Analysis

REMEDIATION: Update to version 6.3.1, 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-2021-24834 https://www.wordfence.com/threat-intel/vulnerabilities/id/7edad4f6-e470-4a72-b618-d2dad64e0ac1

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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