CVE-2007-1454
ext/filter in PHP 5.2.0, when FILTER_SANITIZE_STRING is used with the FILTER_FLAG_STRIP_LOW flag, does not properly strip HTML tags, which allows remote attackers to conduct cross-site scripting (XSS) attacks via HTML with a '<' character followed by certain whitespace characters, which passes one filter but is collapsed into a valid tag, as demonstrated using %0b.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N- EPSS score
- 1.4% (72th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2007-1448)
- Published
- March 14, 2007
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2007-1448 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- php / php
References
- http://secunia.com/advisories/25056
- http://secunia.com/advisories/25062
- http://www.debian.org/security/2007/dsa-1283
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:090
- http://www.novell.com/linux/security/advisories/2007_32_php.html
- http://www.php-security.org/MOPB/MOPB-18-2007.html
- http://www.securityfocus.com/bid/22914
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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