CVE-2026-15386 — MEDIUM (5.4)

Vulnerability Description

The Meow Gallery WordPress plugin before 5.5.2 does not escape an attachment's alt text before outputting it into an attribute of the link it builds for linked galleries, allowing users with the Author role or above to store a JavaScript payload that executes in the browser of any visitor (including administrators) who views a post containing such a gallery.

CVSS Score

5.4

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Related Weaknesses (CWE)

CWE-79

References

https://wpscan.com/vulnerability/f76518ec-3abb-4b3c-b592-f5e24059304b/

FAQ

What is CVE-2026-15386?

CVE-2026-15386 is a vulnerability with a CVSS score of 5.4 (MEDIUM). The Meow Gallery WordPress plugin before 5.5.2 does not escape an attachment's alt text before outputting it into an attribute of the link it builds for linked galleries, allowing users with the Autho...

How severe is CVE-2026-15386?

CVE-2026-15386 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-15386?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.