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CVE-2026-5247

MEDIUM 5.5 CVSS 3.1
Published
May 5, 2026
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N

Description

The Schedule Post Changes With PublishPress Future plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'wrapper' attribute of the [futureaction] shortcode in all versions up to, and including, 4.10.0. This is due to insufficient input sanitization on the wrapper attribute. The plugin uses esc_html() to escape the value, but esc_html() only encodes HTML entities and does not prevent attribute injection when the value is used as an HTML tag name in a sprintf() call. An attacker can inject event handler attributes via spaces in the wrapper value. This makes it possible for authenticated attackers, with administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Since it is also possible for administrators to make this functionality available to lower-privileged users, this introduces the possibility of abuse by contributors.

Affected WordPress components

  • Schedule Post Changes With PublishPress Future: Unpublish, Delete, Change Status, Trash, Change Categories Plugin · post-expirator
    Confirmed match Active
    Up to and including 4.10.0
    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

  • publishpress Schedule Post Changes With PublishPress Future: Unpublish, Delete, Change Status, Trash, Change Categories — Up to and including 4.10.0

References

  • github.com https://github.com/publishpress/publishpress-future/releases
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/post-expirator/tags/4.9.4/src/Modules/Expirator/Controllers/ShortcodeController.php#L173
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/post-expirator/trunk/src/Modules/Expirator/Controllers/ShortcodeController.php#L173
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/9acf80aa-8354-4430-9836-18fa17854521?source=cve
  • nvd.nist.gov Official NVD record