Vulnerability Details : 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 sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2023-3087
- cpe:2.3:a:wpmanageninja:fluentsmtp:*:*:*:*:*:wordpress:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-3087
0.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 52 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-3087
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST | |
|
7.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N |
3.9
|
2.7
|
Wordfence |
CWE ids for CVE-2023-3087
-
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.Assigned by: security@wordfence.com (Primary)
References for CVE-2023-3087
-
https://plugins.trac.wordpress.org/changeset/2935217/fluent-smtp/trunk/app/Models/Logger.php
Changeset 2935217 for fluent-smtp/trunk/app/Models/Logger.php – WordPress Plugin RepositoryPatch
-
https://www.wordfence.com/threat-intel/vulnerabilities/id/fa47a794-e5ce-491d-a10b-c7c5718aa853?source=cve
FluentSMTP <= 2.2.4 - Unauthenticated Stored Cross-Site Scripting via Email SubjectThird Party Advisory
-
https://plugins.trac.wordpress.org/changeset/2935217/fluent-smtp/trunk/app/Services/Mailer/BaseHandler.php
Changeset 2935217 for fluent-smtp/trunk/app/Services/Mailer/BaseHandler.php – WordPress Plugin RepositoryPatch
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