CVE-2020-12718

5.4 mediumEPSS 0.7%

Medium (5.4) in php-fusion php-fusion. EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2020-05-08
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

php-fusion:php-fusion

References

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

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