PatchSiren cyber security CVE debrief
CVE-2026-7796 wpdevteam CVE debrief
The EmbedPress – PDF Embedder, Embed PDF viewer, YouTube Videos, 3D FlipBook, Social feeds & more plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the block 'url' attribute in all versions up to, and including, 4.5.3 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.
- Vendor
- wpdevteam
- Product
- EmbedPress – PDF Embedder, Embed PDF viewer, YouTube Videos, 3D FlipBook, Social feeds & more
- CVSS
- MEDIUM 6.4
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-06-06
- Original CVE updated
- 2026-07-23
- Advisory published
- 2026-06-06
- Advisory updated
- 2026-07-23
Who should care
Users of the EmbedPress – PDF Embedder, Embed PDF viewer, YouTube Videos, 3D FlipBook, Social feeds & more plugin for WordPress, particularly those with contributor-level access and above.
Technical summary
The vulnerability exists in the 'url' attribute of the block in the EmbedPress plugin. Insufficient input sanitization and output escaping allow for Stored Cross-Site Scripting (XSS) attacks. The CVSS score for this vulnerability is 6.4, indicating a Medium severity.
Defensive priority
MEDIUM
Recommended defensive actions
- Update the EmbedPress plugin to a version beyond 4.5.3.
- Restrict contributor-level access and above to trusted users only.
- Monitor for suspicious activity on the WordPress site.
Evidence notes
Evidence for this CVE comes from the National Vulnerability Database (NVD) and Wordfence security research.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-7796 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-7796
CVE Program - Official CVE Program record with source-provided CVE metadata.
-
CVE-2026-7796 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-7796
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/embedpress/tags/4.4.11/EmbedPress/Gutenberg/EmbedPressBlockRenderer.php
-
Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/embedpress/tags/4.4.11/EmbedPress/Gutenberg/EmbedPressBlockRenderer.php
-
Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/embedpress/tags/4.4.11/EmbedPress/Includes/Classes/Helper.php
-
Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/embedpress/tags/4.5.1/EmbedPress/Gutenberg/EmbedPressBlockRenderer.php
-
Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/embedpress/tags/4.5.1/EmbedPress/Gutenberg/EmbedPressBlockRenderer.php
-
Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/embedpress/tags/4.5.1/EmbedPress/Includes/Classes/Helper.php
-
Source reference
Unverified legacy reference
URL: https://plugins.trac.wordpress.org/browser/embedpress/trunk/EmbedPress/Gutenberg/EmbedPressBlockRenderer.php
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.