CVE-2021-41317

XSS Hunter Express before 2021-09-17 does not properly enforce authentication requirements for paths

published September 17, 2021

CVSS
—
EPSS
2%
Percentile
77.8
In the wild
Unconfirmed
What it is

⚠️ A wayward path leads to potential chaos! XSS Hunter Express before 2021-09-17 doesn’t properly enforce authentication, letting anyone access sensitive areas — yikes! Think of it as a hotel with a broken key card system: guests could wander into any room, even the ones that should be off-limits, simply by waltzing in without a verified identity. This could allow malicious actors to inject scripts that execute in the context of a user’s browser, potentially stealing sensitive information or hijacking sessions. It's a recipe for disaster if an attacker decides to take advantage of this oversight!

Put simply

Think of it as a hotel with a broken key card system: guests could wander into any room, even the ones that should be off-limits, simply by waltzing in without a verified identity. This vulnerability stems from the improper enforcement of authentication requirements for certain paths, enabling cross-site scripting (XSS) attacks that can compromise user data.

What to do

This could allow malicious actors to inject scripts that execute in the context of a user’s browser, potentially stealing sensitive information or hijacking sessions. It's a recipe for disaster if an attacker decides to take advantage of this oversight! To remediate this, update XSS Hunter Express to a version after 2021-09-17 and review your authentication processes for all paths. Regular security audits will also help catch similar issues in the future. This is fixable! Follow these steps and you'll be back in the security zone in no time. 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01762 · 77.8th percentile
Published
2021-09-17T15:11Z
EPSS history
Timeline
  • 17 SEP 15:11Z
    XSS Hunter Express before 2021-09-17 does not properly enforce authentication requirements for paths
    cvelistv5