TI-2021-07196 Aliases CVE-2021-24916 GHSA-w9rc-g9q5-4rpr

Qubely < 1.8.6 - Unauthenticated Arbitrary E-mail Sending

HIGH 72Published 2023-08-07 · Updated 2024-10-15

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · High · None
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

The Qubely WordPress plugin before 1.8.6 allows unauthenticated user to send arbitrary e-mails to arbitrary addresses via the qubely_send_form_data AJAX action.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.01715 77th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA and NVD

Fix Fixed Qubely (Unknown): 1.8.6

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
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 1.8.6	1.8.6	Patch available	CNA

Qubely VendorUnknown Affected before 1.8.6 Fixed in 1.8.6 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:themeum:qubely::::::wordpress::*	before 1.8.6	Vulnerable	themeum

cpe:2.3:a:themeum:qubely:*:*:*:*:*:wordpress:*:* Versions before 1.8.6 Vulnerable ·themeum

Remediation

Fix · CNA Qubely (Unknown) Fixed in 1.8.6

Timeline

2026-10-02 Threatist record created from CVE-2021-24916
2026-10-03 Alias added: GHSA-w9rc-g9q5-4rpr

References

Exploit 1

https://wpscan.com/vulnerability/93b893be-59ad-4500-8edb-9fa7a45304d5

TI-2023-00360 Qubely < 1.8.5 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.4
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