CVE-2020-7070
PHP parses encoded cookie names so malicious `__Host-` cookies can be sentIn PHP versions 7.2.x below 7.2.34, 7.3.x below 7.3.23 and 7.4.x below 7.4.11, when PHP is processing incoming HTTP cookie values, the cookie names are url-decoded. This may lead to cookies with prefixes like __Host confused with cookies that decode to such prefix, thus leading to an attacker being able to forge cookie which is supposed to be secure. See also CVE-2020-8184 for more information.
We have discovered 745,951 live websites that are affected by CVE-2020-7070.
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Affected Software
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Product | PHP |
Category | Programming Languages |
Vulnerable Versions | - from 7.2 before 7.2.34
- from 7.3 before 7.3.23
- from 7.4 before 7.4.11
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Total Vulnerable Versions | 507 |
Vulnerable Domains | 745,951 live websites (6.17% of PHP install base) |
Common Weakness Enumeration
CWE-20 Improper Input Validation
Distribution by Website Rank
The diagram provides a graphic representation of the correlation between the occurrence of CVE-2020-7070 and the relative popularity of websites