XSS in Getsymphony Symphony

CVE-2017-5542

Cross-site scripting (XSS) vulnerability in template/usererror.missing_extension.php in Symphony CMS before 2.6.10 allows remote attackers to inject arbitrary web script or HTML via the existing-folder parameter.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.012 (64.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-5542?
CVE-2017-5542 is a medium-severity vulnerability in Getsymphony Symphony, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-01-20.
How severe is CVE-2017-5542?
Medium severity. CVSS v3 base score is 6.1 out of 10.