CVE-2018-15833 json
In Vanilla before 2.6.1, the polling functionality allows Insecure Direct Object Reference (IDOR) via the Poll ID, leading to the ability o…
published 2018-08-26 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-7691
- cvss
- 4.3
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
Summary
In Vanilla before 2.6.1, the polling functionality allows Insecure Direct Object Reference (IDOR) via the Poll ID, leading to the ability of a single user to select multiple Poll Options (e.g., vote for multiple items).
Patch / fix
- vanillaforums vanilla_forums 2.6.1
Exploit prediction
0.88% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 4.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-639 Authorization Bypass Through User-Controlled Key
References
-
open.vanillaforums.com
/discussion/36559
vendor-advisory
-
twitter.com
/viperbluff/status/1033067882941304832
third-party-advisory
-
hackerone.com
/reports/326434
third-party-advisory
-
twitter.com
/viperbluff/status/1033640333890834433
third-party-advisory
Sources
- CVE List CVE-2018-15833
- NVD CVE-2018-15833
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.