What’s Vulnerable › Vulnerabilities

CVE-2020-12438

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-04-28 · updated 2026-06-17
• Weakness: CWE-79

Description

An XSS vulnerability exists in the banners.php page of PHP-Fusion 9.03.50. This can be exploited because the only security measure used against XSS is the stripping of SCRIPT tags. A malicious actor can use HTML event handlers to run JavaScript instead of using SCRIPT tags.

Affected products

• PHP-Fusion: 9.03.50

References

• https://github.com/php-fusion/PHP-Fusion/commit/c36006f900d855f1173f81cea1a774295049f4d8
• https://github.com/php-fusion/PHP-Fusion/issues/2307
• https://github.com/php-fusion/PHP-Fusion/commit/c36006f900d855f1173f81cea1a774295049f4d8
• https://github.com/php-fusion/PHP-Fusion/issues/2307

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