CVE-2023-49926

MEDIUMNVD 6.16.1—

6.1

app/Lib/Tools/EventTimelineTool.php in MISP before 2.4.179 allows XSS in the event timeline widget.

CVSS v3: 6.1
EG Score: 6.1(medium)
EPSS: 32.6%
KEV: Not listed

Published

December 3, 2023

Last Modified

June 22, 2026

References (4)

cve@mitrehttps://github.com/MISP/MISP/commit/dc73287ee2000476e3a5800ded402825ca10f7e8
cve@mitrehttps://github.com/MISP/MISP/compare/v2.4.178...v2.4.179
af854a3a-2127-422b-91ae-364da2661108https://github.com/MISP/MISP/commit/dc73287ee2000476e3a5800ded402825ca10f7e8
af854a3a-2127-422b-91ae-364da2661108https://github.com/MISP/MISP/compare/v2.4.178...v2.4.179

Weakness Classification(1)

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

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 12× in last 7d / 55× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-23 21:31 UTCEPSS rescore
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2026-06-09 13:47 UTCOSV refresh
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2026-06-08 14:16 UTCEPSS rescore
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2026-05-26 07:18 UTCEPSS rescore
2026-05-24 13:01 UTCEG score recompute
2026-05-24 13:01 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-49926?

CVE-2023-49926 is a medium vulnerability published on December 3, 2023. app/Lib/Tools/EventTimelineTool.php in MISP before 2.4.179 allows XSS in the event timeline widget.

When was CVE-2023-49926 disclosed?

CVE-2023-49926 was first published in the National Vulnerability Database on December 3, 2023, with the most recent update on June 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-49926 actively exploited?

CVE-2023-49926 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 32.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-49926?

CVE-2023-49926 has a CVSS v3 base score of 6.1 (NVD).

How do I remediate CVE-2023-49926?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-49926, 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

Explore the affected products and dependency analysis for CVE-2023-49926

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CVE-2023-49926

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-49926?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)