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PatchSiren cyber security CVE debrief

CVE-2026-42656 Wasiliy Strecker CVE debrief

A Subscriber Cross Site Scripting (XSS) vulnerability was found in Contest Gallery <= 28.1.6 versions. This vulnerability has been assigned a CVSS score of 6.5, indicating a Medium severity level. The vulnerability was published on [CVE.org](resourceLinkAnnotations:cve-org) and additional details can be found on [NVD](resourceLinkAnnotations:nvd).

Vendor
Wasiliy Strecker
Product
Contest Gallery
CVSS
MEDIUM 6.5
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 plugin versions <= 28.1.6 should update to a patched version to prevent potential XSS attacks.

Technical summary

The vulnerability is a Cross Site Scripting (XSS) issue in the Contest Gallery plugin, affecting versions up to 28.1.6. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L.

Defensive priority

Medium

Recommended defensive actions

  • Update Contest Gallery plugin to a version greater than 28.1.6.
  • Review and follow security best practices for WordPress plugins.

Evidence notes

Evidence for this CVE was provided by Patchstack, as noted in the [mitigation or vendor reference](resourceLinkAnnotations:ref-4).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-42656 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-42656

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-42656 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-42656

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.