TI-2024-02542 Aliases CVE-2024-2729 GHSA-g2j7-fw82-h6x5

Otter Blocks < 2.6.6 - Contributor+ Stored XSS

LOW 28CWE-79Published 2024-04-18 · Updated 2024-08-01

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

The Otter Blocks WordPress plugin before 2.6.6 does not properly escape its mainHeadings blocks' attribute before appending it to the final rendered block, allowing contributors to conduct Stored XSS attacks.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0042 36th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA and NVD

Fix Fixed Otter Blocks (Unknown): 2.6.6

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

Vendor	Product	Affected versions	Fixed in	Status	Source
Unknown	Otter Blocks	before 2.6.6	2.6.6	Patch available	CNA

Otter Blocks VendorUnknown Affected before 2.6.6 Fixed in 2.6.6 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:themeisle:otter_blocks::::::wordpress::*	before 2.6.6	Vulnerable	themeisle

cpe:2.3:a:themeisle:otter_blocks:*:*:*:*:*:wordpress:*:* Versions before 2.6.6 Vulnerable ·themeisle

Remediation

Fix · CNA Otter Blocks (Unknown) Fixed in 2.6.6

Timeline

2026-10-02 Threatist record created from CVE-2024-2729
2026-10-03 Alias added: GHSA-g2j7-fw82-h6x5

References

Exploit 1

https://wpscan.com/vulnerability/5014f886-020e-49d1-96a5-2159eed8ba14/

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-2024-03128 Unrestricted file upload in themeisle Otter Blocks – Gutenberg Blocks, Page Builder for… 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

See all 9 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences