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Description

savg-sanitizer is a PHP SVG/XML sanitizer. Prior to version 0.22.0, the sanitization logic in the cleanXlinkHrefs method only searches for lower-case attribute name, which allows to by-pass the isHrefSafeValue check. As a result this allows cross-site scripting or linking to external domains. This issue has been patched in version 0.22.0.

PUBLISHED Reserved 2025-08-07 | Published 2025-08-12 | Updated 2025-08-12 | Assigner GitHub_M




MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

Problem types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-601: URL Redirection to Untrusted Site ('Open Redirect')

Product status

< 0.22.0
affected

References

github.com/...itizer/security/advisories/GHSA-22wq-q86m-83fh

github.com/...ommit/5a0a1eaf0c6b0b540dc945fe30c93cf106b357c1

cve.org (CVE-2025-55166)

nvd.nist.gov (CVE-2025-55166)

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