CVE-2021-43861

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.93% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 60.5% of scored records. A rank, not a probability.

NVD base score

5.4 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2021-12-30 13:40Z4 YR AGO

Last updated

2024-08-04 04:10Z2 YR AGO

Reserved

2021-11-16

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 7.2)

CNA CVSS vector

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

Weaknesses

• CWE-20Improper Input ValidationClass
• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base

Data version

5.1

Document digest

79f313b757450c91d1e5f6fd9081e7acfc3c9ddffdf103c7eb295b3381a07043

• github.comhttps://github.com/mermaid-js/mermaid/security/advisories/GHSA-p3rp-vmj9-gv6vx_refsource_CONFIRM
• github.comhttps://github.com/mermaid-js/mermaid/commit/066b7a0d0bda274d94a2f2d21e4323dab5776d83x_refsource_MISC
• github.comhttps://github.com/mermaid-js/mermaid/releases/tag/8.13.8x_refsource_MISC