CVE-2026-18666 json
Library Management System < 3.6.7 - Subscriber+ SQL Injection via Filter Value
published 2026-08-10 3 mo ago modified 2026-08-26 2 mo ago also EUVD-2026-55029
- cvss
- 4.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 19%
- public exploits
- 0
- none known
Summary
The Library Management System WordPress plugin before 3.6.7 does not sanitize and escape a user-supplied parameter before using it in a SQL statement, allowing users with a role as low as Subscriber to perform SQL injection and extract arbitrary data from the database, including user password hashes.
Patch / fix
- Unknown Library Management System 3.6.7
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/7a9b3fff-f454-4764-ad60-0b273781f7b4/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| CNA | 3.1 | 4.3 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
Affected products
- Unknown Library Management System
Classification
- Weakness
-
- CWE-89 Improper Neutralization of Special Elements used in an SQL Command
- Technology feeds
References
-
wpscan.com
/vulnerability/7a9b3fff-f454-4764-ad60-0b273781f7b4/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-18666
- NVD CVE-2026-18666
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.