Browser Screenshots < 1.7.6 - Stored Cross-Site Scripting

2021-06-21 00:00

apple502j

Strategic Overview

Status

Patched in 1.7.6

Affected PluginBrowser Screenshots

Affected Version< 1.7.6

CVSS5.4Medium

CVECVE-2021-24439

View all Browser Screenshots vulnerabilities

Vulnerability Overview

The Browser Screenshots WordPress plugin before 1.7.6 allowed authenticated users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks as the image_class parameter of the browser-shot shortcode was not escaped.

Technical Analysis

REMEDIATION: Update to version 1.7.6, 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-2021-24439 https://www.wordfence.com/threat-intel/vulnerabilities/id/9fc1e720-46ba-4f57-8694-551936371e2c

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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