CVE-2026-86817 json
Five Star Business Profile and Schema 2.3.20 - 2.3.21 - Author+ Sensitive Data Disclosure via Schema Field Default Callback
published 2026-10-04 35 d ago modified 2026-10-06 33 d ago also EUVD-2026-92074
- cvss
- 4.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 14%
- public exploits
- 0
- none known
Summary
The Five Star Business Profile and Schema WordPress plugin before 2.4.0 does not properly restrict the callbacks used to resolve schema field default values, allowing authenticated users with Author-level access and above to store input that discloses sensitive data, including other users' password hashes and arbitrary site option values, in public output readable by unauthenticated visitors.
Patch / fix
- Unknown Five Star Business Profile and Schema 2.4.0
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 34 d ago
Exploit prediction
0.23% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/2a400958-7ed8-4358-a46a-2b8e0716a771/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 4.9 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Unknown Five Star Business Profile and Schema
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
wpscan.com
/vulnerability/2a400958-7ed8-4358-a46a-2b8e0716a771/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-86817
- NVD CVE-2026-86817
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.