Report: CVE-2026-8337 - Concrete CMS 9.5.0 and below is vulnerable to IDOR in surveys when sites are runn

Report: CVE-2026-8337 - Concrete CMS 9.5.0 and below is vulnerable to IDOR in surveys when sites are runn

CVE ID :CVE-2026-8337 Published : May 21, 2026, 10:16 p.m. | 46 minutes ago Description :Concrete CMS 9.5.0 and below is vulnerable to IDOR in surveys. To be vulnerable, a site would have to be configured in such a way that both public and private surveys are present on the site. An unauthenticated attacker can vote in the restricted survey by submitting the restricted optionID through the public survey’s endpoint. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 6.3 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks  Zer0daySec  for reporting Severity: 6.3 | MEDIUM Visit the link for more details, such as CVSS details, affected products, timeline, and more...

CVE Details

Severity
MEDIUM
CVSS Score
4.0 / 10.0
Published
May 21, 2026