Aggregates CVE and security vulnerability intelligence across all hackmd-related products, including CVSS, EPSS, publication dates, and vulnerability intelligence data.
Disclosed issues often relate to vendor risk cross-site scripting and vendor risk denial of service; exposure may include vendor impact session compromise in vendor surface production workloads contexts.
| CVE | Summary | Source | Max CVSS | EPSS % | Published | Updated |
|---|---|---|---|---|---|---|
| CVE-2025-46654 | CodiMD through 2.2.0 has a CSP-based protection mechanism against XSS through uploaded JavaScript content, but it can be bypassed by uploading a .html file that references an uploaded .js file. | [email protected] | 4.9 | 0.02% | 2025-04-26 | 2025-08-05 |
| 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. | [email protected] | 8.1 | 0.97% | 2024-07-10 | 2024-11-21 |
| CVE-2024-38353 | CodiMD allows realtime collaborative markdown notes on all platforms. CodiMD before 2.5.4 is missing authentication and access control vulnerability allowing an unauthenticated attacker to gain unauthorised access to image data uploaded to CodiMD. CodiMD does not require valid authentication to access uploaded images or to upload new image data. An attacker who can determine an uploaded image's URL can gain unauthorised access to uploaded image data. Due to the insecure random filename generatio | [email protected] | 5.3 | 5.32% | 2024-07-10 | 2025-09-04 |
| CVE-2024-22778 | HackMD CodiMD <2.5.2 is vulnerable to Denial of Service. | [email protected] | 7.5 | 0.59% | 2024-02-21 | 2025-05-06 |
| CVE-2019-15499 | CodiMD 1.3.1, when Safari is used, allows XSS via an IFRAME element with allow-top-navigation in the sandbox attribute, in conjunction with a data: URL. | [email protected] | 6.1 | 0.24% | 2019-08-23 | 2024-11-21 |