Smash Balloon Social Post Feed <= 2.19.1 - Unauthenticated Stored Cross-Site Scripting

2021-08-16 00:00

dc11

Strategic Overview

Status

Patched in 2.19.2

Affected PluginSmash Balloon Social Post Feed – Simple Social Feeds for WordPress

Affected Version< 2.19.2

CVSS6.1Medium

CVECVE-2021-24508

View all Smash Balloon Social Post Feed – Simple Social Feeds for WordPress vulnerabilities

Vulnerability Overview

The Smash Balloon Social Post Feed WordPress plugin before 2.19.2 does not sanitise or escape the feedID POST parameter in its feed_locator AJAX action (available to both authenticated and unauthenticated users) before outputting a truncated version of it in the admin dashboard, leading to an unauthenticated Stored Cross-Site Scripting issue which will be executed in the context of a logged in administrator.

Technical Analysis

REMEDIATION: Update to version 2.19.2, 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-2021-24508 https://www.wordfence.com/threat-intel/vulnerabilities/id/3a2c96a1-bbab-41ed-aafd-6a6f569242f3

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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