symfony html-sanitizer
5 published vulnerabilities name this product.
As the CNAs write it in their CVE records (vendor and product); the versions are theirs.
| CVE | Vulnerable versions | Title | Severity | Published | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| CVE-2026-48761 | >= 6.1.0, < 6.4.41 ; >= 7.0.0-BETA1, < 7.4.13 ; >= 8.0.0-BETA1, < 8.0.13 | Symfony: HtmlSanitizer UrlAttributeSanitizer Misses URL Attributes on <object>, <applet>, <iframe>, <img> and the URL Inside <meta http-e… | MEDIUM 5.3 | 0.3 % | ||
| CVE-2026-48760 | >= 6.1.0, < 6.4.41 ; >= 7.0.0-BETA1, < 7.4.13 ; >= 8.0.0-BETA1, < 8.0.13 | Symfony: HtmlSanitizer URL Parser Deny Gates Underinclusive: Percent-Encoded BiDi Marks and Unicode Whitespace Bypass Visual-Spoofing Def… | MEDIUM 5.3 | 0.3 % | ||
| CVE-2026-45064 | >= 6.1.0-BETA1, < 6.4.40 ; >= 7.0.0-BETA1, < 7.4.12 ; >= 8.0.0-BETA1, < 8.0.12 | Symfony: HtmlSanitizer URL Attributes Pass Through BiDi Override Characters → Visual href Spoofing | LOW 2.3 | 0.3 % | ||
| CVE-2026-45753 | >= 6.1.0-BETA1, < 6.4.40 ; >= 7.0.0-BETA1, < 7.4.12 ; >= 8.0.0-BETA1, < 8.0.12 | Symfony: HtmlSanitizer UrlAttributeSanitizer Omits action/formaction/poster/cite — javascript: URI Survives Sanitization (XSS) | LOW 2.1 | 0.3 % | ||
| CVE-2026-45066 | >= 6.1.0-BETA1, < 6.4.40 ; >= 7.0.0-BETA1, < 7.4.12 ; >= 8.0.0-BETA1, < 8.0.12 | Symfony: HtmlSanitizer allowLinkHosts() / allowMediaHosts() Bypass via URL-Parser Differentials and <area> Misclassification | LOW 2.3 | 0.3 % |