TI-2026-83147 Aliases CVE-2026-65444 GHSA-6vp9-3f45-8p8c

Stored cross-site scripting in Blocksy Companion WordPress plugin

LOW 28CWE-79Published 2026-10-30 · Updated 2026-10-30

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

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

Summary

Creative Themes Blocksy Companion (blocksy-companion) through 2.1.60 fails to neutralize input during web page generation, which allows stored cross-site scripting (CWE-79). An attacker with low privileges can store script that runs in another user's browser when that user interacts with the affected page.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Description from the CNA

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Creative Themes Blocksy Companion blocksy-companion allows Stored XSS.This issue affects Blocksy Companion: from n/a through 2.1.60.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0017 6th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

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
creativethemeshq	Blocksy Companion	up to 2.1.60	—	No fix listed	CNA

Blocksy Companion Vendorcreativethemeshq Affected up to 2.1.60 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Blocksy Companion.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Timeline

2026-10-30 Threatist record created from CVE-2026-65444
2026-10-30 CISA SSVC decision points changed
2026-10-30 Priority changed: MEDIUM → LOW
2026-10-30 Alias added: GHSA-6vp9-3f45-8p8c

References

Other 1

https://patchstack.com/database/wordpress/plugin/blocksy-companion/vulnerability/wordpress-blocksy-companion-plugin-2-1-60-cross-site-scripting-xss-vulnerability?_s_id=cve

TI-2026-42084 Blocksy Companion Pro < 2.1.47 Unauthenticated File Upload via save_attachments CVSS 4.0CRITICAL 9.2
TI-2023-01796 Blocksy Companion < 1.8.82 - Subscriber+ Draft Post Access CVSS 3.1MEDIUM 4.3
TI-2026-12769 Blocksy Companion <= 2.1.46 - Unauthenticated Arbitrary File Upload via 'blc-review-images[]' Parameter CVSS 3.1CRITICAL 9.8
TI-2026-41450 WordPress Blocksy Companion Pro plugin <= 2.1.46 - Remote Code Execution (RCE) vulnerability CVSS 3.1CRITICAL 10.0
TI-2026-70281 Unauthenticated privilege escalation in Blocksy Companion CVSS 3.1CRITICAL 9.1
TI-2026-28570 WordPress Blocksy Companion Pro plugin < 2.1.29 - SQL Injection vulnerability CVSS 3.1CRITICAL 9.3

See all 35 →

Sources

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