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CVE-2026-77088 justhtml 0.9.0 through 1.21.0 Cross-Site Scripting via code-span

🗓️ 23 Aug 2026 13:34:12Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 40 Views

XSS in justhtml 0.9.0-1.21.0 via code-span blank lines breaking inline span boundaries.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-77088
23 Aug 202613:34
cve
euvd
EUVD
EUVD-2026-64657
23 Aug 202613:34
euvd
nvd
NVD
CVE-2026-77088
23 Aug 202614:16
nvd
osv
OSV
GHSA-JF6W-2MVX-633J justhtml: to_markdown() code-span blank-line breakout enables XSS
25 Jun 202617:35
osv
ptsecurity
Positive Technologies
PT-2026-79774
23 Aug 202600:00
ptsecurity
vulnrichment
Vulnrichment
CVE-2026-77088 justhtml 0.9.0 through 1.21.0 Cross-Site Scripting via code-span
23 Aug 202613:34
vulnrichment
[
  {
    "vendor": "EmilStenstrom",
    "product": "justhtml",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:pypi/justhtml",
    "versions": [
      {
        "version": "0.9.0",
        "lessThanOrEqual": "1.21.0",
        "status": "affected",
        "versionType": "semver"
      }
    ]
  }
]

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29 Aug 2026 11:47Current
CVSS 45.3
CVSS 3.16.1
EPSS0.00188
40