Unrestricted file upload in themeisle Otter Blocks – Gutenberg Blocks, Page Builder for…
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution, Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434 and CWE-79.
Summary
The Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg Editor & FSE plugin for WordPress is vulnerable to Stored Cross-Site Scripting via SVG file upload in all versions up to, and including, 2.6.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-3344
- 2026-10-03 Alias added: GHSA-jw3q-qghm-x757
References
More themeisle Otter Blocks vulnerabilities
- TI-2024-10393 Path traversal in themeisle Otter Blocks – Gutenberg Blocks, Page Builder for Gutenberg… CVSS 3.1HIGH 7.5
- TI-2024-03471 Cross-site scripting in themeisle Otter Blocks – Gutenberg Blocks, Page Builder for… CVSS 3.1MEDIUM 6.4
- TI-2024-01565 Otter Blocks PRO <= 2.6.3 - Authenticated(Contributor+) Stored Cross-Site Scripting via File Field CSS CVSS 3.1MEDIUM 6.4
- TI-2024-03127 Cross-site scripting in themeisle Otter Blocks – Gutenberg Blocks, Page Builder for… CVSS 3.1MEDIUM 6.4
- TI-2024-02651 Cross-site scripting in themeisle Otter Blocks – Gutenberg Blocks, Page Builder for… CVSS 3.1MEDIUM 6.4
- TI-2024-02542 Otter Blocks < 2.6.6 - Contributor+ Stored XSS CVSS 3.1MEDIUM 6.1
Sources
- CVE-2024-3344 · CVE Program
- CVE-2024-3344 · NVD
- FIRST EPSS
- GHSA-jw3q-qghm-x757 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences