FluentSMTP < 2.2.3 - Stored XSS via Email Logs
Priority MEDIUM 58CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
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 views the email logs. This exploit requires other plugins to enable users to send emails with unfiltered HTML.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00507 43rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed FluentSMTP (Unknown): 2.2.3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | FluentSMTP | before 2.2.3 | 2.2.3 | Patch available | CNA |
- FluentSMTP VendorUnknown Affected before 2.2.3 Fixed in 2.2.3 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wpmanageninja:fluentsmtp:*:*:*:*:*:wordpress:*:* | before 2.2.3 | Vulnerable | WP ManageNinja LLC |
- cpe:2.3:a:wpmanageninja:fluentsmtp:*:*:*:*:*:wordpress:*:* Versions before 2.2.3 Vulnerable ·WP ManageNinja LLC
Remediation
- Fix · CNA FluentSMTP (Unknown) Fixed in 2.2.3
Timeline
- 2026-10-02 Threatist record created from CVE-2023-0219
- 2026-10-03 Alias added: GHSA-pxhc-h425-4r7w
References
More WP ManageNinja LLC Fluentsmtp vulnerabilities
- TI-2023-02893 FluentSMTP <= 2.2.4 - Unauthenticated Stored Cross-Site Scripting via Email Subject CVSS 3.1HIGH 7.2
- TI-2021-06815 FluentSMTP < 2.0.1 - Authenticated Stored XSS CVSS 3.1MEDIUM 5.4
Sources
- CVE-2023-0219 · CVE Program
- CVE-2023-0219 · NVD
- FIRST EPSS
- GHSA-pxhc-h425-4r7w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences