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Fixed

WordPress <= 5.7.1 - Object injection in PHPMailer vulnerability

9.8
CVSS 3.1 score Critical severity
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Monitoring Not reported to be exploited

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Software
WordPress
Type
WordPress Core
Vulnerable versions
<= 5.7.1
Fixed in
5.7.2
PSID
b5427063aa90
Classification
PHP Object Injection
OWASP Top 10
A9: Using Components with Known Vulnerabilities
Publicly disclosed
2021-05-13

Details

Object injection in PHPMailer vulnerability discovered in WordPress (one security issue affecting WordPress versions between 3.7 and 5.7).

Solution

Update the WordPress to the latest available version (at least 5.7.2). All WordPress versions since 3.7 have also been updated to fix the following security issue.

References

Vulnerability details #2 Vulnerability details #1 CVE #2 CVE #1 Release information

Other known vulnerabilities for WordPress

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