CVE-2026-48093
MediumCVSS 6.5Exploitation Probability (EPSS)
Low risk10th percentile - higher than 10% of all known CVEs
Summary
The Code Embed WordPress plugin prior to version 2.6.1 is vulnerable to stored Cross-Site Scripting (XSS) through the external URL embed feature in post content. The vulnerable code scans rendered content for URL embed tokens, fetches the remote URL, and inserts the remote response body into the page without output sanitization or an unfiltered_html capability check. This allows a Contributor attacker to submit a pending post containing an inert-looking URL token that executes attacker-controlled JavaScript when an Administrator or Editor previews or reviews the post. Patched in version 2.6.1.
Risk Assessment
The risk includes the possibility of malicious script execution in an administrator's or editor's browser, potentially leading to account takeover, session theft, or other attacks. This requires user interaction with post preview.
Recommendation
It is recommended to update the Code Embed plugin to version 2.6.1 or later and to restrict roles that can review pending posts to trusted users. Also, educate administrators about the risk of previewing unverified content.
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Original NVD description (English source)
The Code Embed WordPress plugin prior to version 2.6.1 is vulnerable to stored Cross-Site Scripting (XSS) through the external URL embed feature in post content. The vulnerable code scans rendered content for URL embed tokens, fetches the remote URL, and inserts the remote response body into the page without output sanitization or an `unfiltered_html` capability check. This allows a Contributor attacker to submit a pending post containing an inert-looking URL token that executes attacker-controlled JavaScript when an Administrator or Editor previews or reviews the post. This is distinct from CVE-2026-2512, which affected custom field meta values up to version 2.5.1. This vector affects version 2.6 and uses the documented external URL embed feature in post content. This particular issue is patched in version 2.6.1.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

