CVE-2018-15833

MEDIUMNVD 4.34.3—Trending — 3 sources updated this week

4.3

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).

CVSS v3: 4.3
EG Score: 4.3(medium)
EPSS: 40.3%
KEV: Not listed

Published

August 26, 2018

Last Modified

November 21, 2024

References (8)

cve@mitrehttps://hackerone.com/reports/326434
cve@mitrehttps://open.vanillaforums.com/discussion/36559
cve@mitrehttps://twitter.com/viperbluff/status/1033067882941304832
cve@mitrehttps://twitter.com/viperbluff/status/1033640333890834433
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/326434
af854a3a-2127-422b-91ae-364da2661108https://open.vanillaforums.com/discussion/36559
af854a3a-2127-422b-91ae-364da2661108https://twitter.com/viperbluff/status/1033067882941304832
af854a3a-2127-422b-91ae-364da2661108https://twitter.com/viperbluff/status/1033640333890834433

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-639Authorization Bypass Through User-Controlled Key (IDOR)

Data Freshness Timeline

(refreshed 12× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 03:46 UTCEG score recompute
2026-05-28 03:46 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2018-15833?

CVE-2018-15833 is a medium vulnerability published on August 26, 2018. 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).

When was CVE-2018-15833 disclosed?

CVE-2018-15833 was first published in the National Vulnerability Database on August 26, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-15833 actively exploited?

CVE-2018-15833 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 40.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-15833?

CVE-2018-15833 has a CVSS v3 base score of 4.3 (NVD).

How do I remediate CVE-2018-15833?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-15833, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2018-15833

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-15833?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same CWE)