CSRF in Phpbb

CVE-2019-16993

In phpBB before 3.1.7-PL1, includes/acp/acp_bbcodes.php has improper verification of a CSRF token on the BBCode page in the Administration Control Panel. An actual CSRF attack is possible if an attacker also manages to retrieve the session…

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.008 (52.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2019-16993?
CVE-2019-16993 is a high-severity vulnerability in Phpbb, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2019-09-30.
How severe is CVE-2019-16993?
High severity. CVSS v3 base score is 8.8 out of 10.