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PatchSiren cyber security CVE debrief

CVE-2025-15658 rewish CVE debrief

CVE-2025-15658 is a medium severity vulnerability in WP Emmet plugin version <= 0.3.4. The vulnerability allows for Administrator Cross Site Scripting (XSS). The Common Vulnerability Scoring System (CVSS) score for this vulnerability is 5.9, indicating a medium severity level. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L.

Vendor
rewish
Product
WP Emmet
CVSS
MEDIUM 5.9
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-15
Original CVE updated
2026-06-15
Advisory published
2026-06-15
Advisory updated
2026-06-15

Who should care

Administrators and users of WP Emmet plugin version <= 0.3.4 should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The vulnerability is caused by a lack of proper input validation and sanitization in the WP Emmet plugin. This allows an administrator to inject malicious JavaScript code, potentially leading to unauthorized actions or data breaches.

Defensive priority

Medium

Recommended defensive actions

  • Update WP Emmet plugin to a version greater than 0.3.4.
  • Implement additional security measures such as Content Security Policy (CSP) to prevent XSS attacks.

Evidence notes

The vulnerability was reported by [email protected] and is documented in the CVE record and NVD detail pages.

Official resources

CVE-2025-15658 was published on 2026-06-15T16:16:31.880Z and has not been modified since then.