01 Record
CVE-2026-126361
Astro: XSS via attribute injection in dynamic tag names
LowPUBLISHEDCNA: GitHub_M
CNA base score2.3 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
02 Description
Astro: XSS via attribute injection in dynamic tag names
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 22:26Z1 HR AGO
- Last updated
- 2026-11-12 22:26Z1 HR AGO
- Reserved
- 2026-11-10
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Low (CVSS 2.3)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
- Weaknesses
- Data version
- 5.2
- Document digest
- 33290b764c3473837d9936935b3e1bcb7f8f72c4b027f0176f2afdcfb377874e
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/withastro/astro/security/advisories/GHSA-mh32-jxcr-mh9f
- github.comhttps://github.com/withastro/astro/pull/18520
- github.comhttps://github.com/withastro/astro/commit/e023abac912d7cb6af2b9fb5107ef5dabc667096
- github.comhttps://github.com/withastro/astro/releases/tag/astro@7.4.5