Vulnerability · Published Jan 12, 2021 · Assigned by Joomla
CVE-2021-23124[20210102] - Core - XSS in mod_breadcrumbs aria-label attribute
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 79.0% (higher than 99.6% of all known vulnerabilities).
Severity (CVSS NVD)6.1Medium
Exploit odds (30 days)79.0%top 0.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue was discovered in Joomla! 3.9.0 through 3.9.23. The lack of escaping in mod_breadcrumbs aria-label attribute allows XSS attacks.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Joomla! Project | Joomla! CMS | 3.9.0-3.9.23 |
References
- https://developer.joomla.org/security-centre/837-20210102-core-xss-in-mod-breadcrumbs-aria-label-attribute.html x_refsource_MISC, vendor-advisory