01 Record
CVE-2026-126207
Loofah: CSS url() sanitization bypass via escaped parentheses
MediumPUBLISHEDCNA: GitHub_M
CNA base score4.7 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
02 Description
Loofah: CSS url() sanitization bypass via escaped parentheses
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
- 4.7 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-11-12.
- 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 20:53Z3 HR AGO
- Last updated
- 2026-11-12 20:53Z3 HR AGO
- Reserved
- 2026-11-10
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 4.7)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
- Weaknesses
- Data version
- 5.2
- Document digest
- fd5c9c73822577f3f323e6c6a87afd02beba908fb75d1dd07a6abdb8e8b2b267
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/flavorjones/loofah/security/advisories/GHSA-m3x9-938q-5767
- github.comhttps://github.com/flavorjones/loofah/pull/324
- github.comhttps://github.com/flavorjones/loofah/commit/b198a36e44c9c5408163ac50787825e8ca0b166b
- github.comhttps://github.com/flavorjones/loofah/releases/tag/v2.25.3