YOP Poll <= 6.2.7 - Unauthenticated Stored Cross-Site Scripting

2021-06-17 00:00

Toby Jackson

Strategic Overview

Status

Patched in 6.2.8

Affected PluginYOP Poll

Affected Version<= 6.2.7

CVSS6.1Medium

CVECVE-2021-24454

View all YOP Poll vulnerabilities

Vulnerability Overview

In the YOP Poll WordPress plugin before 6.2.8, when a pool is created with the options "Allow other answers", "Display other answers in the result list" and "Show results", it can lead to Stored Cross-Site Scripting issues as the 'Other' answer is not sanitised before being output in the page. The execution of the XSS payload depends on the 'Show results' option selected, which could be before or after sending the vote for example.

Technical Analysis

REMEDIATION: Update to version 6.2.8, 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-2021-24454 https://www.wordfence.com/threat-intel/vulnerabilities/id/5df238dd-6269-4ee0-a0f4-12bdb74f74e8

CVSS Vector

6.1

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

Base

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

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