VulnerabilityModified

CVE-2020-15700

A missing token check in the ajax_install endpoint of com_installer causes a CSRF vulnerability.

MEDIUM 6.3EPSS 0.52%

Does this matter?

Lower severity and a low EPSS score (0.52%). Track it; it rarely justifies an emergency change on its own.

Description

An issue was discovered in Joomla! through 3.9.19. A missing token check in the ajax_install endpoint of com_installer causes a CSRF vulnerability.

CVSS 3.1: 6.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
EPSS: 0.52% probability · 44th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-352
Affected: joomla/joomla\!
Source: cve@mitre.org

EPSS trend

EPSS 0.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

https://developer.joomla.org/security-centre/818-20200701-core-csrf-in-com-installer-ajax-install-endpoint.htmlVendor Advisory
https://developer.joomla.org/security-centre/818-20200701-core-csrf-in-com-installer-ajax-install-endpoint.htmlVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.