PyPIPackage

justhtml

10 known vulnerabilities (3 critical, 2 high, 5 medium), with the versions each affects and the releases that fix them.

Latest release: 3.16.0 (Oct 26, 2026): no advisory affects it
Newest unaffected release: 3.16.0 (Oct 26, 2026), the latest release
Advisories: 10 · 3 critical, 2 high, 5 medium

Weekly downloads: 71.7K
Dependents: 16
Releases: 97 since 0.1.0 (Nov 30, 2025)
Registry: PyPI
Releases read: Nov 8, 2026

Version timeline

CVE-2026-9769
Affects 0.1.0 to 1.9.1 (1.10.0 is outside it)
CVE-2026-8630
Affects 0.1.0 to 1.11.0 (1.12.0 is outside it)
CVE-2026-8445
Affects 0.1.0 to 1.11.0 (1.12.0 is outside it)
CVE-2026-7808
Affects 0.1.0 to 1.15.0 (1.16.0 is outside it)
CVE-2026-77088
Affects 0.9.0 to 1.21.0 (1.22.0 is outside it)
CVE-2026-6827
Affects 0.1.0 to 1.16.0 (1.17.0 is outside it)
CVE-2026-5751
Affects 1.13.0 (1.14.0 is outside it)
CVE-2026-5389
Affects 0.1.0 to 1.12.0 (1.13.0 is outside it)
CVE-2026-5388
Affects 0.1.0 to 1.14.0 (1.15.0 is outside it)
CVE-2026-4671
Affects 0.1.0 to 1.17.0 (1.18.0 is outside it)

Every release cve.now has on record, lowest version on the left; each bar is a run of versions an advisory affects.

Advisories 10

CVE-2026-9769High 8.7
justhtml before 1.10.0 Denial of Service via deeply nested HTML
Affected: fixed in 1.10.0.
Fixed in 1.10.0 (released Mar 15, 2026, 161 days before disclosure).
The latest release, 3.16.0, is not affected.
CVE-2026-8630Medium 5.1
justhtml before 1.12.0 Mutation XSS via Raw Text Elements
Affected: fixed in 1.12.0.
Fixed in 1.12.0 (released Mar 17, 2026, 159 days before disclosure).
The latest release, 3.16.0, is not affected.
CVE-2026-8445Critical 9.3
justhtml before 1.12.0 Sanitizer Bypass via Markdown
Affected: fixed in 1.12.0.
Fixed in 1.12.0 (released Mar 17, 2026, 159 days before disclosure).
The latest release, 3.16.0, is not affected.
CVE-2026-7808Critical 9.3
justhtml before 1.16.0 Multiple Security Issues via Sanitization
Affected: fixed in 1.16.0.
Fixed in 1.16.0 (released Apr 12, 2026, 133 days before disclosure).
The latest release, 3.16.0, is not affected.
CVE-2026-77088Medium 5.3
justhtml 0.9.0 through 1.21.0 Cross-Site Scripting via code-span
Affected: from 0.9.0, fixed in 1.22.0.
Fixed in 1.22.0 (released May 22, 2026, 93 days before disclosure).
The latest release, 3.16.0, is not affected.
CVE-2026-6827Medium 5.1
justhtml before 1.17.0 Multiple Cross-Site Scripting Vulnerabilities
Affected: fixed in 1.17.0.
Fixed in 1.17.0 (released Apr 19, 2026, 126 days before disclosure).
The latest release, 3.16.0, is not affected.
CVE-2026-5751Medium 5.1
justhtml before 1.14.0 Mutation XSS via custom sanitization policies
Affected: from 1.13.0, fixed in 1.14.0.
Fixed in 1.14.0 (released Apr 5, 2026, 140 days before disclosure).
The latest release, 3.16.0, is not affected.
CVE-2026-5389Medium 5.1
justhtml before 1.13.0 XSS via code fence breakout
Affected: fixed in 1.13.0.
Fixed in 1.13.0 (released Mar 21, 2026, 155 days before disclosure).
The latest release, 3.16.0, is not affected.
CVE-2026-5388Critical 9.3
justhtml before 1.15.0 Multiple Security Issues
Affected: fixed in 1.15.0.
Fixed in 1.15.0 (released Apr 9, 2026, 136 days before disclosure).
The latest release, 3.16.0, is not affected.
CVE-2026-4671High 8.7
justhtml before 1.18.0 Denial of Service via CSS Selector
Affected: fixed in 1.18.0.
Fixed in 1.18.0 (released May 4, 2026, 111 days before disclosure).
The latest release, 3.16.0, is not affected.