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PatchSiren cyber security CVE debrief

CVE-2026-48867 ExpressTech CVE debrief

A high-severity Unauthenticated Cross Site Scripting (XSS) vulnerability was discovered in Quiz And Survey Master plugin versions <= 11.1.2. This vulnerability, tracked as CVE-2026-48867, has a CVSS score of 7.1 and is considered HIGH severity. The vulnerability was made public on June 15, 2026.

Vendor
ExpressTech
Product
Quiz And Survey Master
CVSS
HIGH 7.1
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

Administrators and users of the Quiz And Survey Master plugin, especially those using versions <= 11.1.2, should be aware of this vulnerability and take necessary actions to mitigate the risk.

Technical summary

The vulnerability is an Unauthenticated Cross Site Scripting (XSS) issue in the Quiz And Survey Master plugin. The CVSS vector for this vulnerability is CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.

Defensive priority

HIGH

Recommended defensive actions

  • Update the Quiz And Survey Master plugin to a version greater than 11.1.2.
  • Review and implement additional security measures to protect against XSS attacks.

Evidence notes

The vulnerability was reported by Patchstack and is tracked as CVE-2026-48867.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-48867 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-48867

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

  • CVE-2026-48867 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-48867

    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.