CVE-2026-18466 json
WP Maps < 4.9.8 - Subscriber+ Unlimited Autoloaded Option Creation
published 2026-08-19 2 mo ago modified 2026-08-26 2 mo ago also EUVD-2026-62280
- cvss
- 5.4
- 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 21%
- public exploits
- 0
- none known
Summary
The WP Maps WordPress plugin before 4.9.8 does not perform a capability check, nor validate a nonce, in one of its AJAX actions, allowing users with a Subscriber account to create an unlimited number of options in the database, each of which is loaded on every page request.
Patch / fix
- Unknown WP Maps 4.9.8
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/2e12d9cf-520a-4602-aeee-7dbc26f79951/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L |
| CNA | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L |
Affected products
- Unknown WP Maps
Classification
- Weakness
-
- CWE-284 Improper Access Control
- Technology feeds
References
-
wpscan.com
/vulnerability/2e12d9cf-520a-4602-aeee-7dbc26f79951/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-18466
- NVD CVE-2026-18466
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.