XSS in Vasilis Triantafyllou Flag Icons

CVE-2025-31575

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Vasilis Triantafyllou Flag Icons language-icons-flags-switcher allows Stored XSS.This issue affects Flag Icons: from n/a through <= 2.2.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (15.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 15.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-31575: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-31575?
CVE-2025-31575 is a medium-severity vulnerability in Vasilis Triantafyllou Flag Icons, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 5.9/10. Published 2025-03-31.
How severe is CVE-2025-31575?
Medium severity. CVSS v3 base score is 5.9 out of 10.