Blog2Social <= 6.8.6 - Reflected Cross-Site Scripting

2021-11-22 00:00

ZhongFu Su

Strategic Overview

Status

Patched in 6.8.7

Affected PluginBlog2Social: Social Media Auto Post & Scheduler

Affected Version<= 6.8.6

CVSS6.1Medium

CVECVE-2021-24956

View all Blog2Social: Social Media Auto Post & Scheduler vulnerabilities

Vulnerability Overview

The Blog2Social: Social Media Auto Post & Scheduler WordPress plugin before 6.8.7 does not sanitise and escape the b2sShowByDate parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting issue

Technical Analysis

REMEDIATION: Update to version 6.8.7, 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-2021-24956 https://www.wordfence.com/threat-intel/vulnerabilities/id/7817f343-1ed6-4b76-afbe-1054de892422

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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