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.

CVSS v3.1

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

CVSS v3.1

8.1 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

EPSS

0.42% chance of exploitation in the next 30 days, 35th percentile

Published

2024-07-10

Updated

2024-08-02

Proof-of-concept exploits (1)

• hackmdio/codimd/security/advisories/GHSA-22jv-vch8-2vp9

References

• CVE Record
• NVD entry

Related

• CVE-2019-15499
• CVE-2021-21259
• CVE-2024-38353
• CVE-2025-46654
• CVE-2024-38355
• CVE-2024-38348