CVE-2026-100108
mediumThe Social Share Buttons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'form (containing share_url)' parameter in all versions up t…
The Social Share Buttons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'form (containing share_url)' parameter in all versions up to, and including, 1.30 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Exploitation requires that the 7-day review-nag timer has elapsed since the attacker's first wp-admin visit, as the nonce needed to reach the save-network handler is only rendered in the DOM once that timer has passed.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://plugins.trac.wordpress.org/browser/share-button/tags/1.30/admin/review_notice.php#... security@wordfence.com
- https://plugins.trac.wordpress.org/browser/share-button/tags/1.30/classes/blocks/network-b... security@wordfence.com
- https://plugins.trac.wordpress.org/browser/share-button/tags/1.30/classes/class-network.ph... security@wordfence.com
- https://plugins.trac.wordpress.org/browser/share-button/tags/1.30/classes/class-social-net... security@wordfence.com
- https://plugins.trac.wordpress.org/browser/share-button/tags/1.30/classes/class-social.php... security@wordfence.com
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3735252%40share-button&new=3735... security@wordfence.com
- https://www.wordfence.com/threat-intel/vulnerabilities/id/bc098f5d-3c59-4046-bce8-ac2586e6... security@wordfence.com