What is CVE-2026-18558?

CVE-2026-18558 is a medium-severity vulnerability in Awsmin Embed Any Document – Pdf, Word, Powerpoint And Excel Files, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-10-10.

How severe is CVE-2026-18558?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Awsmin Embed Any Document – Pdf, Word, Powerpoint And Excel Files

CVE-2026-18558

The Embed Any Document – Embed PDF, Word, PowerPoint and Excel Files plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'embeddoc' shortcode in all versions up to, and including, 2.7.13 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-10-10.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Awsmin Embed Any Document – Pdf, Word, Powerpoint And Excel Files

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-18558?: CVE-2026-18558 is a medium-severity vulnerability in Awsmin Embed Any Document – Pdf, Word, Powerpoint And Excel Files, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-10-10.
How severe is CVE-2026-18558?: Medium severity. CVSS v3 base score is 6.4 out of 10.