Medium severity · published Aug 30, 2021
CVE-2021-24528
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…
5.4
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FL
Fluentsmtp · Wpmanageninja
before 2.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-24528
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-24528
Exploit
https://wpscan.com/vulnerability/8b8d316b-96b2-4cdc-9da5-c9ea6108a85b
More from Fluentsmtp
9.8
CVE-2024-9511
FluentSMTP – WP SMTP Plugin with Amazon SES, SendGrid, MailGun, Postmark, Google and Any SMTP Provider <= 2.2.82 - Unauthenticated PHP Object Injection
6.1
CVE-2023-3087
The FluentSMTP plugin for WordPress is vulnerable to Stored Cross-Site Scripting via an email subject in versions up to, and including, 2.2.4 due to insufficient input…
5.4
CVE-2023-0219
The FluentSMTP WordPress plugin before 2.2.3 does not sanitize or escape email content, making it vulnerable to stored cross-site scripting attacks (XSS) when an administrator…