PT-2021-22945 · Elgg · Elgg

Published 2021-12-24 · Updated 2022-01-06 · CVE-2021-4072

Positive Technologies (AI Summary)

CVSS v3.1

9.0

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions elgg (affected versions not specified)

Description The issue is related to Improper Neutralization of Input During Web Page Generation, also known as Cross-site Scripting. This means that the software does not properly validate user input, which can lead to malicious scripts being executed on the website.

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-2021-4072

GHSA-2XW8-J43J-5VXP

Affected Products

Elgg

References · 8

• 🔥 https://huntr.dev/bounties/74034253-732a-4251-a0f9-eca5f576c955 · Exploit
• https://github.com/elgg/elgg/commit/c30b17bf75256ed3fcc84e2083147cc3951423d0 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2021-4072 · Security Note
• https://osv.dev/vulnerability/GHSA-2xw8-j43j-5vxp · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-4072 · Vendor Advisory
• https://github.com/elgg/elgg · Note
• https://t.me/cibsecurity/34604 · Telegram Post
• https://t.me/cvenotify/24881 · Telegram Post