The Otter - Gutenberg Blocks plugin for WordPress is vulnerable to deserialization of untrusted input via the 'fallback' parameter in versions up to, and including 1.2.7. This makes it possible for authenticated attackers with author privileges to call files using a PHAR wrapper that will deserialize and call arbitrary PHP Objects that can be used to perform a variety of malicious actions granted a POP chain is also present. It also requires that the attacker is successful in uploading a file with the serialized payload.
CVE-2023-2288 is a high severity with CVSS 8.8 Vulnerability issue affecting the Plugin Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE. It affects Versions up to 2.2.5 and is fixed in 2.2.6.
CVE-2023-2288 is tracked for the Plugin Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE as high severity with CVSS 8.8. The affected range is Versions up to 2.2.5. Update Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE to 2.2.6 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
otter-blocks
View on wordpress.org
|
| CVE | CVE-2023-2288 |
| Patched Versions |
2.2.6
|
| Affected Versions |
Versions up to 2.2.5
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Otter Blocks <= 3.1.4 - Improper Authorization to Unauthenticated Purchase Verification Bypass via Forged Cookie
Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE <= 3.0.4 - Authenticated (Author+) Stored Cross-Site Scripting via SVG File Upload
Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE <= 2.6.9 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'titleTag'
Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE <= 2.6.8 - Authenticated (Author+) Limited File Upload to Stored Cross-Site Scripting
Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE <= 2.6.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via Block Attributes
Otter Blocks <= 2.6.5 - Authenticated (Contributor+) Stored Cross-Site Scripting
Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE <= 2.6.5 - Authenticated (Contributor+) Stored Cross-Site Scripting
Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE <= 2.6.4 - Authenticated (Contributor+) Stored Cross-Site Scripting
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