WordPress Plugin Vulnerabilities
Otter Blocks < 3.2.8 - Contributor+ Stored XSS via Block Style Attributes
Description
The plugin does not properly sanitize and escape user-supplied block styling values before writing them into an inline stylesheet, allowing users with contributor-level access and above to inject arbitrary web scripts that execute when any visitor, including administrators, views the affected post.
Proof of Concept
Affects Plugins
Fixed in 3.2.8 References
CVE
Classification
Type
XSS
OWASP top 10
CWE
CVSS
Miscellaneous
Original Researcher
Karthik Ramakrishnan
Submitter
Karthik Ramakrishnan
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2026-10-21 (about 2 days ago)
Added
2026-10-21 (about 1 day ago)
Last Updated
2026-10-21 (about 1 day ago)
