Vulnerability · Published Dec 24, 2021 · Assigned by @huntrdev

CVE-2021-4072Cross-site Scripting (XSS) - Stored in elgg/elgg

Critical 9.0

In plain English

A critical-severity cross-site scripting in elgg/elgg from elgg. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 54% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.0)9.0Critical
Exploit odds (30 days)0.7%top 45.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

elgg is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistelgg/elgg3.3.24GHSA-2xw8-j43j-5vxp

Affected products (as reported)

VendorProductVersions
elgg elgg/elgg unspecified – before 3.3.24

Weakness: CWE-79 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

References