CVE-2026-5305

CVE-2026-5305 is a high-severity vulnerability with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

The Email Address Encoder WordPress plugin before 1.0.25, email-encoder-premium WordPress plugin before 0.3.12 does not properly handle email replacement, which could allow unauthenticated users to perform Stored XSS attacks

Frequently asked questions

What is CVE-2026-5305?
The Email Address Encoder WordPress plugin before 1.0.25, email-encoder-premium WordPress plugin before 0.3.12 does not properly handle email replacement, which could allow unauthenticated users to perform Stored XSS attacks
How severe is CVE-2026-5305?
CVE-2026-5305 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-5305 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-5305?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-5305 have an EU (EUVD) identifier?
Yes. CVE-2026-5305 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39187.
When was CVE-2026-5305 published?
CVE-2026-5305 was published on 2026-06-25.

References