CVE-2021-24916 json
Qubely < 1.8.6 - Unauthenticated Arbitrary E-mail Sending
published 2023-08-07 3 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11828
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 77%
- public exploits
- 0
- none known, plus a Nuclei check
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.
Patch / fix
- Unknown Qubely 1.8.6
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
1.71% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template WordPress Qubely < 1.8.6 - Unauthenticated Email Sending nuclei detection template
- wpscan.com https://wpscan.com/vulnerability/93b893be-59ad-4500-8edb-9fa7a45304d5 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected products
- Unknown Qubely
Classification
- Technology feeds
References
-
wpscan.com
/vulnerability/93b893be-59ad-4500-8edb-9fa7a45304d5
exploit, vdb-entry, technical-description, third-party-advisory
Sources
- CVE List CVE-2021-24916
- NVD CVE-2021-24916
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.