PT-2021-22455 · Grav · Grav Admin Plugin

Mahagr · Published 2021-11-19 · Updated 2021-11-23 · CVE-2021-3920

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions grav-plugin-admin (affected versions not specified)

Description The issue concerns Improper Neutralization of Input During Web Page Generation, also known as Cross-site Scripting. This means that the software fails to properly neutralize user input, allowing an attacker to inject malicious code into web pages. No information is provided about the estimated number of potentially affected devices or real-world incidents where this issue was exploited.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-3920

Affected Products

Grav Admin Plugin

References · 6

• 🔥 https://huntr.dev/bounties/ab564760-90c6-4e1d-80c2-852f45034cd1 · Exploit
• https://github.com/getgrav/grav-plugin-admin/commit/6463135bf046d8131189c163158cd5db8f7a9675 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-3920 · Security Note
• https://osv.dev/vulnerability/CVE-2021-3920 · Vendor Advisory
• https://t.me/cvenotify/23677 · Telegram Post
• https://t.me/cibsecurity/32693 · Telegram Post