Vulnerability · Published Jul 7, 2021 · Assigned by Joomla
CVE-2021-26038[20210704] - Core - Privilege escalation through com_installer
High 7.5
In plain English
A high-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 1.0% (higher than 63% of all known vulnerabilities).
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.0%top 37.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An issue was discovered in Joomla! 2.5.0 through 3.9.27. Install action in com_installer lack the required hardcoded ACL checks for superusers. A default system is not affected cause the default ACL for com_installer is limited to super users already.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Joomla! Project | Joomla! CMS | 2.5.0-3.9.27 |
References
- https://developer.joomla.org/security-centre/859-20210704-core-privilege-escalation-through-com-installer.html x_refsource_MISC, vendor-advisory