How severe is CVE-2026-42660?

CVE-2026-42660 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2026-42660 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-42660?

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

Does CVE-2026-42660 have an EU (EUVD) identifier?

Yes. CVE-2026-42660 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36825.

When was CVE-2026-42660 published?

CVE-2026-42660 was published on 2026-06-15 and last updated on 2026-06-17.

CVE-2026-42660

CVE-2026-42660 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. 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-497.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36825
Weakness: CWE-497
Published: 2026-06-15
Last modified: 2026-06-17

Description

Subscriber Sensitive Data Exposure in Contest Gallery <= 28.1.7 versions.

Frequently asked questions

What is CVE-2026-42660?: Subscriber Sensitive Data Exposure in Contest Gallery <= 28.1.7 versions.
How severe is CVE-2026-42660?: CVE-2026-42660 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2026-42660 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-42660?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-42660 have an EU (EUVD) identifier?: Yes. CVE-2026-42660 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36825.
When was CVE-2026-42660 published?: CVE-2026-42660 was published on 2026-06-15 and last updated on 2026-06-17.

References

https://patchstack.com/database/wordpress/plugin/contest-gallery/vulnerability/wordpress-contest-gallery-plugin-28-1-7-sensitive-data-exposure-vulnerability?_s_id=cve

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