CVE-2021-24528
CVE-2021-24528 is a medium-severity vulnerability in Wpmanageninja Fluentsmtp with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 5.4)
- CVSS v2: 3.5
- EPSS exploit prediction: 1% (46th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Wpmanageninja Fluentsmtp
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2021-24528?
- CVE-2021-24528 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-24528 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-24528?
- CVE-2021-24528 affects Wpmanageninja Fluentsmtp. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-24528?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-24528 published?
- CVE-2021-24528 was published on 2021-08-30 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:wpmanageninja:fluentsmtp:*:*:*:*:*:wordpress:*:*
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