CVE-2026-45066
2 advisories.
Packagist/symfony/html-sanitizer CVE-2026-45066: medium
Symfony has an HtmlSanitizer allowLinkHosts() / allowMediaHosts() Bypass via URL-Parser Differentials and <area> Misclassification
Action: Upgrade symfony/html-sanitizer to 6.4.40 or later.
composer require symfony/html-sanitizer:6.4.40composer require symfony/html-sanitizer:7.4.12composer require symfony/html-sanitizer:8.0.12Affected
| introduced | fixed | last affected |
|---|---|---|
| 6.1.0 | 6.4.40 | - |
| 7.0.0 | 7.4.12 | - |
| 8.0.0 | 8.0.12 | - |
Fixed versions
| 6.4.40 | 7.4.12 | 8.0.12 |
Sources
- osv: GHSA-qc95-4862-92fh
- https://github.com/symfony/symfony/security/advisories/GHSA-qc95-4862-92fh
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/html-sanitizer/CVE-2026-45066.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2026-45066.yaml
- https://github.com/symfony/symfony
- https://symfony.com/cve-2026-45066
CVE-2026-45066 · published · modified · JSON
Packagist/symfony/symfony CVE-2026-45066: medium
Symfony has an HtmlSanitizer allowLinkHosts() / allowMediaHosts() Bypass via URL-Parser Differentials and <area> Misclassification
Action: Upgrade symfony/symfony to 6.4.40 or later.
composer require symfony/symfony:6.4.40composer require symfony/symfony:7.4.12composer require symfony/symfony:8.0.12Affected
| introduced | fixed | last affected |
|---|---|---|
| 6.1.0 | 6.4.40 | - |
| 7.0.0 | 7.4.12 | - |
| 8.0.0 | 8.0.12 | - |
Fixed versions
| 6.4.40 | 7.4.12 | 8.0.12 |
Sources
- osv: GHSA-qc95-4862-92fh#Packagist/symfony/symfony
- https://github.com/symfony/symfony/security/advisories/GHSA-qc95-4862-92fh
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/html-sanitizer/CVE-2026-45066.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2026-45066.yaml
- https://github.com/symfony/symfony
- https://symfony.com/cve-2026-45066
CVE-2026-45066 · published · modified · JSON