What is CVE-2021-24528?

CVE-2021-24528 is a medium-severity vulnerability in Wpmanageninja Fluentsmtp, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-08-30.

How severe is CVE-2021-24528?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2021-24528 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Wpmanageninja Fluentsmtp

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 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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (46.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Wpmanageninja Fluentsmtp
Unknown Fluentsmtp – Wordpress Mail Smtp, Ses, Sendgrid, Mailgun And Any Smtp Plugin — versions 2.0.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

contact@wpscan.com (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-24528?: CVE-2021-24528 is a medium-severity vulnerability in Wpmanageninja Fluentsmtp, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-08-30.
How severe is CVE-2021-24528?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2021-24528 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.