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Findings

CVE-2026-8245

Concrete CMS 9.5.0 and below is vulnerable to Reflected XSS in Legacy Pagination via HTML attribute injection.

Published May 21, 2026 · updated Jul 23, 2026 · concretecms concrete cms

Concrete CMS 9.5.0 and below is vulnerable to Reflected XSS in Legacy Pagination via HTML attribute injection. Concrete\Core\Legacy\Pagination builds pagination links by raw-interpolating its $URL field into href="" ( ). Any authenticated admin or report viewer with access to who clicks the crafted URL fires the payload in their session. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 6.0 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks Yonatan Drori (Tenzai) for reporting

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. May 21, 2026 · NIST NVD

    Detected

    Concrete CMS 9.5.0 and below is vulnerable to Reflected XSS in Legacy Pagination via HTML attribute injection. Concrete\Core\Legacy\Pagination builds pagination links by raw-interpolating its $URL field into href="" ( ). Any authenticated admin or report viewer with access to who clicks the crafted URL fires the payload in their session. The Concrete CMS security team gave this vulnerability a CVS

  2. Jul 23, 2026 · NIST NVD

    Updated

    Concrete CMS 9.5.0 and below is vulnerable to Reflected XSS in Legacy Pagination via HTML attribute injection. Concrete\Core\Legacy\Pagination builds pagination links by raw-interpolating its $URL field into href="" ( ). Any authenticated admin or report viewer with access to who clicks the crafted URL fires the payload in their session. The Concrete CMS security team gave this vulnerability a CVS

Affected

  • cpe concretecms/concrete cmsversion unspecified

Sources

  • CVE.orgVulnerability recordCVE-2026-8245

    Official CVE identifier

    cve.org
  • NIST NVDVulnerability recordCVE-2026-8245

    Concrete CMS 9.5.0 and below is vulnerable to Reflected XSS in Legacy Pagination via HTML attribute injection. Concrete\Core\Legacy\Pagination builds pagination links by raw-interpolating its $URL field into href="" ( ). Any authenticated admin or report vie

    nvd.nist.gov

References