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Stored cross-site scripting in WordPress Rootblox plugin

Priority LOW 28CWE-79Published · Updated

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

CozyThemes Rootblox WordPress plugin from 0 through 1.0.7 does not neutralize input before generating web pages, which allows stored cross-site scripting (CWE-79). An attacker with low privileges can store malicious script that runs in the browser of a user who interacts with the affected page. Exploitation requires user interaction, and the impact can extend beyond the plugin's own scope.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CozyThemes Rootblox rootblox allows Stored XSS.This issue affects Rootblox: from n/a through 1.0.7.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00204 10th 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

VendorProductAffected versionsFixed inStatusSource
CozyThemesRootbloxup to 1.0.7—No fix listedCNA
  • Rootblox VendorCozyThemes Affected up to 1.0.7 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Rootblox.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-20 Threatist record created from CVE-2026-111843
  2. 2026-10-21 Alias added: GHSA-rg2v-gmp7-2r38
  3. 2026-10-21 CISA SSVC decision points changed
  4. 2026-10-21 Priority changed: MEDIUM → LOW

References

  • TI-2026-79252 Local file inclusion in WordPress Rootblox plugin CVSS 3.1CRITICAL 9.8
  • TI-2024-29569 WordPress FotaWP theme <= 1.4.1 - Broken Access Control vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2024-29568 WordPress Blockbooster theme <= 1.0.10 - Broken Access Control vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2024-29563 WordPress ReviveNews theme <= 1.0.2 - Broken Access Control vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2024-28993 WordPress Hello Agency theme <= 1.0.5 - Broken Access Control vulnerability CVSS 3.1CRITICAL 9.8
  • TI-2026-67821 Authorization bypass in WordPress Cozy Blocks plugin CVSS 4.0MEDIUM 6.9
See all 23 →

Sources