Privilege escalation in Joomla Joomla\!

CVE-2018-17855

An issue was discovered in Joomla! before 3.8.13. If an attacker gets access to the mail account of an user who can approve admin verifications in the registration process, he can activate himself.

Vulnerability class: Privilege Escalation

EPSS: 0.019 (77.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
  • cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-17855?
CVE-2018-17855 is a high-severity vulnerability in Joomla Joomla\!, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2018-10-09.
How severe is CVE-2018-17855?
High severity. CVSS v3 base score is 8.8 out of 10.