synced 13 MIN AGO
01 Record

CVE-2026-126359

Hono: `css` helper does not escape a closing tag split between the template and an interpolated value, allowing HTML injection

LowPUBLISHEDCNA: GitHub_M
CNA base score3.4 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N

02 Description

Hono: `css` helper does not escape a closing tag split between the template and an interpolated value, allowing HTML injection

03 Exploitation and scoring

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
Not scored by EPSS
EPSS percentile
Not scored by EPSS
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Not recorded
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.

04 Metadata

Published
2026-11-12 22:22Z1 HR AGO
Last updated
2026-11-12 22:22Z1 HR AGO
Reserved
2026-11-10
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
Low (CVSS 3.4)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N
Weaknesses
  • CWE-79Improper Neutralization of Input During Web Page GenerationBase
Data version
5.2
Document digest
c4561daaef578c4b31b74dd4c8ac3e3f47009483e7cecc2dfb060ba88eb38a21

05 Affected products

VendorProductVersionsPlatforms
honojshono>= 3.12.0, < 4.13.16—

06 References