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CVE-2026-42657 Wasiliy Strecker CVE debrief

CVE-2026-42657 is an unauthenticated other vulnerability type affecting Contest Gallery versions up to 28.1.7. The vulnerability has a CVSS score of 5.3 and a severity of MEDIUM. It was published on 2026-06-15T21:16:55.333Z and modified on 2026-06-15T21:24:32.790Z.

Vendor
Wasiliy Strecker
Product
Contest Gallery
CVSS
MEDIUM 5.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-15
Original CVE updated
2026-06-15
Advisory published
2026-06-15
Advisory updated
2026-06-15

Who should care

Users of Contest Gallery versions up to 28.1.7 should be aware of this vulnerability and take necessary actions to mitigate it.

Technical summary

The vulnerability is described as an unauthenticated other vulnerability type in Contest Gallery versions up to 28.1.7. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N, indicating a medium severity vulnerability that can be exploited over the network without authentication.

Defensive priority

MEDIUM

Recommended defensive actions

  • Update Contest Gallery to a version that is not vulnerable.
  • Refer to [ref-4](https://patchstack.com/database/wordpress/plugin/contest-gallery/vulnerability/wordpress-contest-gallery-plugin-28-1-7-other-vulnerability-type-vulnerability?_s_id=cve) for mitigation or vendor reference

Evidence notes

The vendor and product information is not confirmed, but there is a reference to Patchstack.

Official resources

CVE-2026-42657 was published on 2026-06-15T21:16:55.333Z and modified on 2026-06-15T21:24:32.790Z.