How severe is CVE-2026-42948?

CVE-2026-42948 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-42948 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-42948?

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

Does CVE-2026-42948 have an EU (EUVD) identifier?

Yes. CVE-2026-42948 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29942.

When was CVE-2026-42948 published?

CVE-2026-42948 was published on 2026-05-13 and last updated on 2026-06-17.

CVE-2026-42948

CVE-2026-42948 is a medium-severity vulnerability with a CVSS 3.x base score of 4.8. 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 4.8)
CVSS v4: 4.8
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-29942
Weakness: CWE-79
Published: 2026-05-13
Last modified: 2026-06-17

Description

Stored cross-site scripting vulnerability exists in ELECOM wireless LAN access point devices. If one of the administrators input malicious data, an arbitrary script may be executed in another administrative user's web browser.

Frequently asked questions

What is CVE-2026-42948?: Stored cross-site scripting vulnerability exists in ELECOM wireless LAN access point devices. If one of the administrators input malicious data, an arbitrary script may be executed in another administrative user's web browser.
How severe is CVE-2026-42948?: CVE-2026-42948 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-42948 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-42948?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-42948 have an EU (EUVD) identifier?: Yes. CVE-2026-42948 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-29942.
When was CVE-2026-42948 published?: CVE-2026-42948 was published on 2026-05-13 and last updated on 2026-06-17.

References

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

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CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

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