CVSS v3
9.8
CRITICAL
EPSS Score
1.8 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
LayerBB 1.1.3 allows admin/general.php arbitrary file upload because the custom_logo filename suffix is not restricted, and .php may be used.
Technical details
- Published
- 2019-07-19
Frequently asked questions
What is CVE-2019-13973?
LayerBB 1.1.3 allows admin/general.php arbitrary file upload because the custom_logo filename suffix is not restricted, and .php may be used.
Is CVE-2019-13973 actively exploited?
Active exploitation of CVE-2019-13973 has not been confirmed. Its EPSS score was 1.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2019-13973?
CVE-2019-13973 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2019-13973 affecting your environment?
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