What is CVE-2018-7203?

CVE-2018-7203 is a medium-severity vulnerability in Lynxtechnology Twonky Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-03-30.

How severe is CVE-2018-7203?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Lynxtechnology Twonky Server

CVE-2018-7203

Cross-site scripting (XSS) vulnerability in Twonky Server 7.0.11 through 8.5 allows remote attackers to inject arbitrary web script or HTML via the friendlyname parameter to rpc/set_all.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-03-30 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.023 (82.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.023 · change: -0.000

Affected products

Lynxtechnology Twonky Server

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

packetstormsecurity.com/files/146939/TwonkyMedia-Server-7.0.11-8.5-Cross-Site-S… (Exploit, VDB Entry, Third Party Advisory)
www.exploit-db.com/exploits/44351/ (Exploit, VDB Entry, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2018-7203?: CVE-2018-7203 is a medium-severity vulnerability in Lynxtechnology Twonky Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-03-30.
How severe is CVE-2018-7203?: Medium severity. CVSS v3 base score is 6.1 out of 10.