SARA / Free Tools / CVE / CVE-2023-49926

CVE-2023-49926 — app/Lib/Tools/EventTimelineTool

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

CVSS

6.1 MEDIUM

EPSS

0.41% (top 67.50%)

CWE

—

Published

2023-12-03T03:15:07.593

Last modified

2026-06-22T19:23:18.580

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

01What is this vulnerability?

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

No structured affected-product list available — see references below for vendor advisories.

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

github.com — https://github.com/MISP/MISP/commit/dc73287ee2000476e3a5800ded402825ca10f7e8
github.com — https://github.com/MISP/MISP/compare/v2.4.178...v2.4.179
github.com — https://github.com/MISP/MISP/commit/dc73287ee2000476e3a5800ded402825ca10f7e8
github.com — https://github.com/MISP/MISP/compare/v2.4.178...v2.4.179

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