CVE-2023-6620 in the critical feed json
Post SMTP < 2.8.7 - Admin+ SQL Injection
published 2024-01-15 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58843
- cvss
- 7.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 14.1%
- EPSS 14.1% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known
Summary
The POST SMTP Mailer WordPress plugin before 2.8.7 does not properly sanitise and escape several parameters before using them in SQL statements, leading to a SQL injection exploitable by high privilege users such as admin.
Patch / fix
- Unknown POST SMTP Mailer 2.8.7
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
14.06% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/ab5c42ca-ee7d-4344-bd88-0d727ed3d9c4 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Unknown POST SMTP Mailer
Classification
- Weakness
-
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command
- Technology feeds
References
-
wpscan.com
/vulnerability/ab5c42ca-ee7d-4344-bd88-0d727ed3d9c4
exploit, vdb-entry, technical-description, third-party-advisory
Sources
- CVE List CVE-2023-6620
- NVD CVE-2023-6620
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.