Cross Site Scripting (XSS)

2023-11-1308:57:55

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

cross site scripting

symfony/symfony

vulnerability

unsafe filters

codeextension

xss attack

misconfiguration

CVSS3

6.1

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

5.8

Confidence

High

EPSS

0.001

Percentile

20.4%

JSON

symfony/symfony is vulnerable to Cross Site Scripting (XSS). The vulnerability arises due to usage of unsafe filters in the getfilters method. CodeExtension uses is_safe=html but fails to ensure the input is safe. An attacker can execute an XSS attack due to this misconfiguration.