CVE-2023-2886

MEDIUMNVD 4.37.6▲

4.3

Missing Origin Validation in WebSockets vulnerability in CBOT Chatbot allows Content Spoofing Via Application API Manipulation.

This issue affects Chatbot: before Core: v4.0.3.4 Panel: v4.0.3.7.

CVSS v3: 4.3
EG Score: 7.6(medium)
EPSS: 25.3%
KEV: Not listed

Published

May 25, 2023

Last Modified

May 22, 2026

References (3)

iletisim@usomhttps://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0293
iletisim@usomhttps://www.usom.gov.tr/bildirim/tr-23-0293
af854a3a-2127-422b-91ae-364da2661108https://www.usom.gov.tr/bildirim/tr-23-0293

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 16× in last 7d / 16× 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.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 21:16 UTCepss_batch
2026-05-22 11:23 UTCEG score recompute
2026-05-22 11:23 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-2886?

CVE-2023-2886 is a medium vulnerability published on May 25, 2023. Missing Origin Validation in WebSockets vulnerability in CBOT Chatbot allows Content Spoofing Via Application API Manipulation. This issue affects Chatbot: before Core: v4.0.3.4 Panel: v4.0.3.7.

When was CVE-2023-2886 disclosed?

CVE-2023-2886 was first published in the National Vulnerability Database on May 25, 2023, with the most recent update on May 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-2886 actively exploited?

CVE-2023-2886 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 25.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-2886?

CVE-2023-2886 has a CVSS v3 base score of 4.3 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 7.6.

How do I remediate CVE-2023-2886?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-2886, 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-2023-2886

📅 Published

🔄 Last Modified

🔗 References (3)