CVE-2026-5306
Check & Log Email < 2.0.13 - Unauthenticated Stored XSS
The Check & Log Email WordPress plugin before 2.0.13 does not properly handle email replacement, which could allow unauthenticated users to perform Stored XSS attacks when the email encoder setting is enabled
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Check & Log Email < 2.0.13 - Unauthenticated Stored XSS
The Check & Log Email WordPress plugin before 2.0.13 does not properly handle email replacement, which could allow unauthenticated users to perform Stored XSS attacks when the email encoder setting is enabled
- Record
CVE-2026-5306- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
EUVDEUVD-2026-25995
The Check & Log Email WordPress plugin before 2.0.13 does not properly handle email replacement, which could allow unauthenticated users to perform Stored XSS attacks when the email encoder setting is enabled
- Record
EUVD-2026-25995- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-p8g5-jxr9-99q9
The Check & Log Email WordPress plugin before 2.0.13 does not properly handle email replacement,...
The Check & Log Email WordPress plugin before 2.0.13 does not properly handle email replacement, which could allow unauthenticated users to perform Stored XSS attacks when the email encoder setting is enabled
- Record
GHSA-p8g5-jxr9-99q9- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
NVD
The Check & Log Email WordPress plugin before 2.0.13 does not properly handle email replacement, which could allow unauthenticated users to perform Stored XSS attacks when the email encoder setting is enabled
- Record
CVE-2026-5306- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-5306 is a medium vulnerability (CVSS 5.4) in Unknown Check & Log Email, published April 28, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 4th percentile. No source names a fixed version.