Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue <= 3.1.24 - Reflected Cross-Site Scripting

2021-12-23 00:00

ZhongFu Su

Strategic Overview

Status

Patched in 3.1.25

Affected PluginBrevo – Email, SMS, Web Push, Chat, and more.

Affected Version< 3.1.25

CVSS6.1Medium

CVECVE-2021-24923

View all Brevo – Email, SMS, Web Push, Chat, and more. vulnerabilities

Vulnerability Overview

The Newsletter, SMTP, Email marketing and Subscribe forms by Sendinblue WordPress plugin before 3.1.25 does not escape the sib-statistics-date parameter before outputting it back in an attribute, leading to a Reflected Cross-Site Scripting issue

Technical Analysis

REMEDIATION: Update to version 3.1.25, 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-2021-24923 https://www.wordfence.com/threat-intel/vulnerabilities/id/31aa4f8b-954c-410e-9f18-c1e62dd9850b

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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