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CVE-2026-100196

HIGH 7.2 CVSS 3.1
Published
October 10, 2026
Last modified
October 13, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Description

The LazyLoad Plugin – Lazy Load Images, Videos, and Iframes plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'comment_content (rendered inline into the page HTML)' parameter in all versions up to, and including, 2.4.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. WordPress core's wp_kses_data allow-list does not strip the crafted payload on save because it uses only permitted tags and attributes; the event handler is concealed inside a broken attribute region and is only promoted to a real DOM attribute by the plugin's render-time str_replace transformation. Additionally, a site administrator must approve the crafted comment before the payload is served to other visitors.

Affected WordPress components

  • LazyLoad Plugin – Lazy Load Images, Videos, and Iframes Plugin · rocket-lazy-load
    Confirmed match Active
    Up to and including 2.4.0
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • wp_media LazyLoad Plugin – Lazy Load Images, Videos, and Iframes — Up to and including 2.4.0

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/rocket-lazy-load/tags/2.4.0/src/Dependencies/RocketLazyload/Image.php#L115
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/rocket-lazy-load/tags/2.4.0/src/Dependencies/RocketLazyload/Image.php#L116
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/rocket-lazy-load/tags/2.4.0/src/Dependencies/RocketLazyload/Image.php#L118
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/rocket-lazy-load/tags/2.4.0/src/Dependencies/RocketLazyload/Image.php#L70
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/rocket-lazy-load/tags/2.4.0/src/Subscriber/LazyloadSubscriber.php#L313
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/rocket-lazy-load/tags/2.4.0/src/Subscriber/LazyloadSubscriber.php#L326
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/rocket-lazy-load/tags/2.4.0/src/Subscriber/LazyloadSubscriber.php#L82
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&new=3730807%40rocket-lazy-load%2Ftags%2F2.4.1&old=3380138%40rocket-lazy-load%2Ftags%2F2.4.0
  • wordpress.org https://wordpress.org/plugins/rocket-lazy-load/
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/af1060c6-9247-4059-ad6e-993fb7cee6d4?source=cve
  • nvd.nist.gov Official NVD record