Cross-site scripting (XSS) vulnerability in guestbook.php in Simple PHP Guestbook 1.0 allows remote attackers to inject arbitrary web script or HTML via the action parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/55522
http://secunia.com/advisories/38053
http://osvdb.org/61614
Source: Mitre, NVD
Published: 2010-03-08
Updated: 2026-06-16
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00305