How severe is CVE-2024-38354?

CVE-2024-38354 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2024-38354 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-38354?

CVE-2024-38354 affects Hackmd Codimd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-38354?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2024-38354 have an EU (EUVD) identifier?

Yes. CVE-2024-38354 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-37277.

When was CVE-2024-38354 published?

CVE-2024-38354 was published on 2024-07-10 and last updated on 2026-06-17.

CVE-2024-38354

CVE-2024-38354 is a high-severity vulnerability in Hackmd Codimd with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 0% (34th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-37277
Weakness: CWE-79
Affected product: Hackmd Codimd
Published: 2024-07-10
Last modified: 2026-06-17

Description

CodiMD allows realtime collaborative markdown notes on all platforms. The notebook feature of Hackmd.io permits the rendering of iframe `HTML` tags with an improperly sanitized `name` attribute. This vulnerability enables attackers to perform cross-site scripting (XSS) attacks via DOM clobbering. This vulnerability is fixed in 2.5.4.

Frequently asked questions

What is CVE-2024-38354?: CodiMD allows realtime collaborative markdown notes on all platforms. The notebook feature of Hackmd.io permits the rendering of iframe `HTML` tags with an improperly sanitized `name` attribute. This vulnerability enables attackers to perform cross-site scripting (XSS) attacks via DOM clobbering. This vulnerability is fixed in 2.5.4.
How severe is CVE-2024-38354?: CVE-2024-38354 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2024-38354 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-38354?: CVE-2024-38354 affects Hackmd Codimd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-38354?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2024-38354 have an EU (EUVD) identifier?: Yes. CVE-2024-38354 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-37277.
When was CVE-2024-38354 published?: CVE-2024-38354 was published on 2024-07-10 and last updated on 2026-06-17.

References

https://github.com/hackmdio/codimd/security/advisories/GHSA-22jv-vch8-2vp9

Affected products (1)

cpe:2.3:a:hackmd:codimd:*:*:*:*:*:*:*:*

More vulnerabilities in Hackmd Codimd

CVE-2024-22778 — High (CVSS 7.5): HackMD CodiMD <2.5.2 is vulnerable to Denial of Service.
CVE-2019-15499 — Medium (CVSS 6.1): CodiMD 1.3.1, when Safari is used, allows XSS via an IFRAME element with allow-top-navigation in the sandbox attribute,…
CVE-2024-38353 — Medium (CVSS 5.3): CodiMD allows realtime collaborative markdown notes on all platforms. CodiMD before 2.5.4 is missing authentication and…
CVE-2025-46654 — Medium (CVSS 4.9): CodiMD through 2.2.0 has a CSP-based protection mechanism against XSS through uploaded JavaScript content, but it can…

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