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Vulnerabilities

Vulnerability · CVE-2026-14826

The Quiz and Survey Master (QSM) WordPress plugin before 11.2.4 does not perform a per-object ownership check on the REST routes that return a quiz's email-notificatio…

Published Aug 19, 2026 · catalog updated Oct 22, 2026 · the affected product

Check if you run it

No confirmed exploitation is on record for CVE-2026-14826. EPSS is 0.30%. Act only if a listed version of the affected product is installed.

Gaps on this record

  • No plain product name is stored. The page cannot tell you which product to check.
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Low2.7
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.30%
Remediation
Not established
Affected products
See sources for product scope

The Quiz and Survey Master (QSM) WordPress plugin before 11.2.4 does not perform a per-object ownership check on the REST routes that return a quiz's email-notification and results-page configuration, allowing users with contributor-level access and above to read the configuration, including notification recipient addresses, of quizzes created by other users.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-14826

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-14826. EPSS is 0.30%. Act only if a listed version of the affected product is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-639: Authorization Bypass Through User-Controlled Key. EPSS 0.30%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 19, 2026 · NIST NVD

    Detected

    The Quiz and Survey Master (QSM) WordPress plugin before 11.2.4 does not perform a per-object ownership check on the REST routes that return a quiz's email-notification and results-page configuration, allowing users with contributor-level access and above to read the configuration, including notification recipient addresses, of quizzes created by other users.

  2. Oct 22, 2026 · NIST NVD

    Updated

    The Quiz and Survey Master (QSM) WordPress plugin before 11.2.4 does not perform a per-object ownership check on the REST routes that return a quiz's email-notification and results-page configuration, allowing users with contributor-level access and above to read the configuration, including notification recipient addresses, of quizzes created by other users.

Sources

  • CVE.orgVulnerability recordCVE-2026-14826

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-14826

    30-day exploitation probability 0.30%

    first.org
  • NIST NVDVulnerability recordCVE-2026-14826

    The Quiz and Survey Master (QSM) WordPress plugin before 11.2.4 does not perform a per-object ownership check on the REST routes that return a quiz's email-notification and results-page configuration, allowing users with contributor-level access and above to read the configurati

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.