CVE-2019-13948

PoC ×2—

CVSS 3.0

5.4 medium

EPSS

<1%p51

Published

Jul 18, 2019 (Jul 18, 2019)

Modified

Jun 17, 2026

Description

SyGuestBook A5 Version 1.2 allows stored XSS because the isValidData function in include/functions.php does not properly block XSS payloads, as demonstrated by a crafted use of the onerror attribute of an IMG element.

Vendors: syguestbook a5 project
Products: syguestbook a5
Weakness: CWE-79
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.7%)

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