Gwolle Guestbook <= 4.1.2 - Reflected Cross-Site Scripting

2021-11-23 00:00

ZhongFu Su

Strategic Overview

Status

Patched in 4.2

Affected PluginGwolle Guestbook

Affected Version<= 4.1.2

CVSS6.1Medium

CVECVE-2021-24980

View all Gwolle Guestbook vulnerabilities

Vulnerability Overview

The Gwolle Guestbook WordPress plugin before 4.2.0 does not sanitise and escape the gwolle_gb_user_email parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue in an admin page

Technical Analysis

REMEDIATION: Update to version 4.2, 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-2021-24980 https://www.wordfence.com/threat-intel/vulnerabilities/id/ceaf5f81-1adf-4512-b610-d1d183876762

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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