TI-2023-00360 Aliases CVE-2023-0376 GHSA-hvw8-m5g6-cxrv

Qubely < 1.8.5 - Contributor+ Stored XSS

MEDIUM 58CWE-79Published 2024-01-16 · Updated 2025-06-02

Key facts

Attack vector: Network
Privileges required: Low
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 Qubely WordPress plugin before 1.8.5 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00745 55th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA and NVD

Fix Fixed Qubely (Unknown): 1.8.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
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	Qubely	before 1.8.5	1.8.5	Patch available	CNA

Qubely VendorUnknown Affected before 1.8.5 Fixed in 1.8.5 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:themeum:qubely::::::wordpress::*	before 1.8.5	Vulnerable	themeum

cpe:2.3:a:themeum:qubely:*:*:*:*:*:wordpress:*:* Versions before 1.8.5 Vulnerable ·themeum

Remediation

Fix · CNA Qubely (Unknown) Fixed in 1.8.5

Timeline

2026-10-02 Threatist record created from CVE-2023-0376
2026-10-03 Alias added: GHSA-hvw8-m5g6-cxrv

References

Exploit 1

https://wpscan.com/vulnerability/b1aa6f32-c1d5-4fc6-9a4e-d4c5fae78389/

TI-2021-07196 Qubely < 1.8.6 - Unauthenticated Arbitrary E-mail Sending CVSS 3.1HIGH 7.5
TI-2024-12273 Qubely – Advanced Gutenberg Blocks <= 1.8.13 - Authenticated (Contributor+) Sensitive… CVSS 3.1MEDIUM 6.5
TI-2024-08908 Cross-site scripting in themeum Qubely – Advanced Gutenberg Blocks CVSS 3.1MEDIUM 6.5
TI-2021-07291 Qubely < 1.7.8 - Subscriber+ Arbitrary Post Deletion CVSS 3.1MEDIUM 6.5
TI-2025-19683 WordPress Qubely plugin <= 1.8.12 - Cross Site Scripting (XSS) vulnerability CVSS 3.1MEDIUM 6.5

Sources

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