CVE-2026-6551 | BDVDB-2026-329346 Detail
techeshtaTimeline Blocks for Gutenberg
Description#
The Timeline Blocks for Gutenberg plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'titleTag' attribute of the timeline-blocks/tb-timeline-blocks block in all versions up to, and including, 1.1.10 due to insufficient input sanitization and output escaping on user supplied attributes. 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.
Impact#
Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact none. Attack vector: network.
Weaknesses#
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References#
- https://www.wordfence.com/threat-intel/vulnerabilities/id/393d1b30-19f8-454d-84c0-0b539953e1fe?source=cve
- https://plugins.trac.wordpress.org/browser/timeline-blocks/tags/1.1.10/src/blocks/index.php#L202
- https://plugins.trac.wordpress.org/browser/timeline-blocks/tags/1.1.10/src/blocks/index.php#L343
- https://plugins.trac.wordpress.org/browser/timeline-blocks/trunk/src/blocks/index.php#L202
- https://plugins.trac.wordpress.org/browser/timeline-blocks/trunk/src/blocks/index.php#L343
- https://plugins.trac.wordpress.org/browser/timeline-blocks/trunk/src/blocks/index.php#L200
- https://plugins.trac.wordpress.org/browser/timeline-blocks/trunk/src/blocks/index.php#L342
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.