CVE-2026-45753
2 advisories.
Packagist/symfony/html-sanitizer CVE-2026-45753: low
Symfony's HtmlSanitizer UrlAttributeSanitizer Omits action/formaction/poster/cite — `javascript`: URI Survives Sanitization (XSS)
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-hhg7-c65m-h7ff
- https://github.com/symfony/symfony/security/advisories/GHSA-hhg7-c65m-h7ff
- https://github.com/symfony/symfony/commit/26a598fcfc4f903cc55ff202f642ee621839825e
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/html-sanitizer/CVE-2026-45753.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2026-45753.yaml
- https://github.com/symfony/symfony
- https://symfony.com/cve-2026-45753
CVE-2026-45753 · published · modified · JSON
Packagist/symfony/symfony CVE-2026-45753: low
Symfony's HtmlSanitizer UrlAttributeSanitizer Omits action/formaction/poster/cite — `javascript`: URI Survives Sanitization (XSS)
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-hhg7-c65m-h7ff#Packagist/symfony/symfony
- https://github.com/symfony/symfony/security/advisories/GHSA-hhg7-c65m-h7ff
- https://github.com/symfony/symfony/commit/26a598fcfc4f903cc55ff202f642ee621839825e
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/html-sanitizer/CVE-2026-45753.yaml
- https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2026-45753.yaml
- https://github.com/symfony/symfony
- https://symfony.com/cve-2026-45753
CVE-2026-45753 · published · modified · JSON