What’s Vulnerable › Vulnerabilities

CVE-2020-12718

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-05-08 · updated 2026-06-17
• Weakness: CWE-79

Description

In administration/comments.php in PHP-Fusion 9.03.50, an authenticated attacker can take advantage of a stored XSS vulnerability in the Preview Comment feature. The protection mechanism can be bypassed by using HTML event handlers such as ontoggle.

Affected products

• PHP-Fusion: 9.03.50

References

• https://github.com/php-fusion/PHP-Fusion/issues/2309
• https://github.com/php-fusion/PHP-Fusion/issues/2309

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