@marp-team/marp-core is the core for Marp, which is the ecosystem to write your presentation with plain Markdown. Marp Core from v3.0.2 to v3.9.0 and v4.0.0, are vulnerable to cross-site scripting (XSS) due to improper neutralization of HTML sanitization. Marp Core v3.9.1 and v4.0.1 have been patched to fix that. If you are unable to update the package immediately, disable all HTML tags by setting html: false option in the Marp class constructor.
CVE-2024-56510
This medium-severity CVE scores 5.3 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 74% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.3
- EG Score
- 5.3(medium)
- EPSS
- 22.5%
- KEV
- Not listed
Published
December 26, 2024
Last Modified
April 15, 2026
References (5)
- security-advisories@githubhttps://github.com/marp-team/marp-core/commit/61a1def244d1b6faa8e2c0be97ec0b68cab3ab49
- security-advisories@githubhttps://github.com/marp-team/marp-core/pull/282
- security-advisories@githubhttps://github.com/marp-team/marp-core/releases/tag/v3.9.1
- security-advisories@githubhttps://github.com/marp-team/marp-core/releases/tag/v4.0.1
- security-advisories@githubhttps://github.com/marp-team/marp-core/security/advisories/GHSA-x52f-h5g4-8qv5
Affected Packages
(1 across 1 ecosystem)
npm(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| @marp-team/marp-core | 4.0.0 | 4.0.1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 45× 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.
- 2026-07-12 05:45 UTCEPSS rescore
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- 2026-07-10 21:41 UTCOSV refresh
- 2026-07-09 19:09 UTCEPSS rescore
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- 2026-06-24 14:04 UTCEPSS rescore
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- 2026-06-22 05:37 UTCOSV refresh
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- 2026-06-04 02:09 UTCOSV refresh
- 2026-06-02 20:12 UTCEPSS rescore
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- 2026-05-23 00:09 UTCEG score recompute
- 2026-05-22 21:16 UTCEPSS rescore
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- 2026-05-22 21:16 UTCEPSS rescore
- 2026-05-22 21:16 UTCEPSS rescore
- 2026-05-21 22:42 UTCEPSS rescore
- 2026-05-21 19:56 UTCEG score recompute
- 2026-05-20 22:37 UTCEPSS rescore
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Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2024-56510?
When was CVE-2024-56510 disclosed?
Is CVE-2024-56510 actively exploited?
What is the CVSS score of CVE-2024-56510?
How do I remediate CVE-2024-56510?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2024-56510
Is Your Infrastructure Affected by CVE-2024-56510?
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