CVE-2026-100108
CVE-2026-100108 · Social Share Buttons <= 1.30 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'share_url' Network Setting
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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 6.4 · Mittel · EPSS 0,2%
- Veröffentlicht
- Aktualisiert
Betroffene Produkte und Versionen
social share buttons
- Softwareversionen
- ≥ 0, ≤ 1.30: Betroffen (semver)
Keine Korrektur veröffentlicht
Originalquellen
- https://www.wordfence.com/threat-intel/vulnerabilities/id/bc098f5d-3c59-4046-bce8-ac2586e6da19?source=cve
- https://plugins.trac.wordpress.org/browser/share-button/tags/1.30/classes/class-social-networks.php#L370
- https://plugins.trac.wordpress.org/browser/share-button/tags/1.30/classes/blocks/network-block.php#L47
- https://plugins.trac.wordpress.org/browser/share-button/tags/1.30/classes/class-network.php#L275
- https://plugins.trac.wordpress.org/browser/share-button/tags/1.30/admin/review_notice.php#L26
- https://plugins.trac.wordpress.org/browser/share-button/tags/1.30/classes/class-social.php#L60
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3735252%40share-button&new=3735252%40share-button
- https://nvd.nist.gov/vuln/detail/CVE-2026-100108