MEDIUMCVSS 5.0

CVE-2007-1900

CVE-2007-1900 updated by NVD

Modified: 2026-09-20
Sources: nvd

Summary

CRLF injection vulnerability in the FILTER_VALIDATE_EMAIL filter in ext/filter in PHP 5.2.0 and 5.2.1 allows context-dependent attackers to inject arbitrary e-mail headers via an e-mail address with a '\n' character, which causes a regular expression to ignore the subsequent part of the address string.

Affected packages

Ecosystem	Package	Affected versions	Fixed versions
PHP	php	[object Object], [object Object]	—

References

https://nvd.nist.gov/vuln/detail/CVE-2007-1900

Includes data from the National Vulnerability Database (NIST). NVD data is in the public domain; this page is not endorsed by NIST.

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