CVE-2026-5306

Check & Log Email < 2.0.13 - Unauthenticated Stored XSS

CVSS 5.4 MEDIUMEPSS 0.2%

Vexday Risk Score

33Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

Exploit maturity

Proof of concept

Public proof of concept exists, but not yet automated.

CVSS 5.4EPSS 0.2%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

28 Apr 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

Unknown · Check & Log Email

public PoCs found — 1

cve_referencewpscan.com/vulnerability/97908c15-6e7a-4242-8c6f-66c8b804364c/unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

References

https://wpscan.com/vulnerability/97908c15-6e7a-4242-8c6f-66c8b804364c/