CVE-2021-24528

MediumCVSS 5.4/10Last modified Jun 17, 2026

Description

The FluentSMTP WordPress plugin before 2.0.1 does not sanitize parameters before storing the settings in the database, nor does the plugin escape the values before outputting them when viewing the SMTP settings set by this plugin, leading to a stored cross site scripting (XSS) vulnerability. Only users with roles capable of managing plugins can modify the plugin's settings.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 30, 2021
Last modified
Jun 17, 2026
NVD status
Modified

Related CVEs from 2021

CVE-2021-245295.4The Grid Gallery – Photo Image Grid Gallery WordPress plugin before 1.2.5 does not properly sanitize the title field for image galleries wheCVE-2021-24537.5Vulnerability in the Oracle Outside In Technology product of Oracle Fusion Middleware (component: Outside In Filters). The supported versionCVE-2021-245304.8The Alojapro Widget WordPress plugin through 1.1.15 doesn't properly sanitise its Custom CSS settings, allowing high privilege users to perfCVE-2021-245315.4The Charitable – Donation Plugin WordPress plugin before 1.6.51 is affected by an authenticated stored cross-site scripting vulnerability whCVE-2021-245334.8The Maintenance WordPress plugin before 4.03 does not sanitise or escape some of its settings, allowing high privilege users such as admin tCVE-2021-245345.4The PhoneTrack Meu Site Manager WordPress plugin through 0.1 does not sanitise or escape its "php_id" setting before outputting it back in aCVE-2021-245356.1The Light Messages WordPress plugin through 1.0 is lacking CSRF check when updating it's settings, and is not sanitising its Message ContentCVE-2021-245366.1The Custom Login Redirect WordPress plugin through 1.0.0 does not have CSRF check in place when saving its settings, and do not sanitise or CVE-2021-245377.2The Similar Posts WordPress plugin through 3.1.5 allow high privilege users to execute arbitrary PHP code in an hardened environment (ie witCVE-2021-245385.4The Current Book WordPress plugin through 1.0.1 does not sanitize user input when an authenticated user adds Author or Book Title, then doesCVE-2021-245394.8The Coming Soon, Under Construction & Maintenance Mode By Dazzler WordPress plugin before 1.6.7 does not sanitise or escape its description CVE-2021-24547.0Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is Prio
CVE-2021-24528: Medium severity, CVSS 5.4 | Vulnix