XSS in Phplist

CVE-2020-12639

phpList before 3.5.3 allows XSS, with resultant privilege elevation, via lists/admin/template.php.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (49.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Phplist
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
cve@mitre.org (Third Party Advisory, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2020-12639?: CVE-2020-12639 is a medium-severity vulnerability in Phplist, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-05-04.
How severe is CVE-2020-12639?: Medium severity. CVSS v3 base score is 6.1 out of 10.