Vulnerability · Published Jul 7, 2021 · Assigned by Joomla

CVE-2021-26035[20210701] - Core - XSS in JForm Rules field

Medium 6.1

In plain English

A medium-severity security flaw in Joomla! CMS from Joomla! Project. 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).

Severity (CVSS NVD)6.1Medium
Exploit odds (30 days)0.7%top 45.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

An issue was discovered in Joomla! 3.0.0 through 3.9.27. Inadequate escaping in the rules field of the JForm API leads to a XSS vulnerability.

Affected products (as reported)

VendorProductVersions
Joomla! Project Joomla! CMS 3.0.0-3.9.27

References