How severe is CVE-2018-7203?

CVE-2018-7203 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-7203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7203?

CVE-2018-7203 affects Lynxtechnology Twonky Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-7203?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-7203 published?

CVE-2018-7203 was published on 2018-03-30 and last updated on 2026-06-17.

CVE-2018-7203

CVE-2018-7203 is a medium-severity vulnerability in Lynxtechnology Twonky Server with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Lynxtechnology Twonky Server
Published: 2018-03-30
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2018-7203?: CVE-2018-7203 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-7203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7203?: CVE-2018-7203 affects Lynxtechnology Twonky Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-7203?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-7203 published?: CVE-2018-7203 was published on 2018-03-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:lynxtechnology:twonky_server:*:*:*:*:*:*:*:*

More vulnerabilities in Lynxtechnology Twonky Server

CVE-2025-13315 — Critical (CVSS 9.8): Twonky Server 8.5.2 on Linux and Windows is vulnerable to an access control flaw. An unauthenticated attacker can…
CVE-2025-13316 — High (CVSS 8.1): Twonky Server 8.5.2 on Linux and Windows is vulnerable to a cryptographic flaw, use of hard-coded cryptographic keys.…
CVE-2018-7171 — High (CVSS 7.5): Directory traversal vulnerability in Twonky Server 7.0.11 through 8.5 allows remote attackers to share the contents of…
CVE-2018-9182 — Medium (CVSS 6.1): Twonky Server before 8.5.1 has XSS via a modified "language" parameter in the Language section.
CVE-2018-9177 — Medium (CVSS 6.1): Twonky Server before 8.5.1 has XSS via a folder name on the Shared Folders screen.

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