VulnSocial

CVE-2026-8245Disclosure(concretecms / concrete_cms)

LOWCVSS 5.4 · MEDIUM

Signal is active with 2 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

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 $URL field into href="" (<a href="{$linkURL}" …>). Any authenticated admin or report viewer with access to `/dashboard/reports/forms/legacy` 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

concretecms CVEsBack to dashboard
0.0/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-83

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • concrete_cms

Threat summary

  • 2 mentions across 1 observed day

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • 2 total mentions across 1 day

Affected systems

Vendors
concretecms
Products
concrete_cms

Deep dive

Activity timeline2 mentions / 1d
01122Mentions · 2026-05-22: 2Technical Details · 2026-05-22: 205-22
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
By indicator
Full discourse2 posts
  • Infoflowcloud@infoflowcloud
    Disclosure

    🚨*CVE* CVE-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 b… https://www.cve.org/CVERecord?id=CVE-2026-8245 ----- Traducción: CVE-2026-8245 Con… http://infoflow.cloud`

    Post summary

    The text announces CVE-2026-8245, describing a Reflected XSS vulnerability in Concrete CMS 9.5.0 and prior via legacy pagination attribute injection, with a link to the official CVE record, but no PoC, exploit code, or patch information.

    0000048
    79 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-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 b… https://www.cve.org/CVERecord?id=CVE-2026-8245

    Post summary

    The text announces a Reflected XSS vulnerability in Concrete CMS 9.5.0 and earlier, referencing the CVE record but lacking PoC or patch information.

    00000239
    57.5K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appconcretecmsconcrete_cms---

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