# Concrete CMS.

Every CVE that names Concrete CMS among its affected products, newest first. Vendors and products are as the CNA wrote them.

## Records, newest first (an older page)

- [Concrete CMS below 9.5.3 does not enforce validation-hash type on redemption, allowing a hash issued for one purpose to be redeemed for another.](https://agentprime.io/advisories/CVE-2026-81905.md)
  `CVE-2026-81905` · CVE record: Concrete CMS Concrete CMS · CVSS 6.3 Medium · Not analysed yet · Published 10 Sept 2026 · Tags: Broken access control, CWE-640
- [Concrete CMS 9.5.2 and below is vulnerable to an authorization bypass (IDOR) in the Calendar block's frontend event dialog (/ccm/calendar/view_event/{bID}/{occurrence_id}).](https://agentprime.io/advisories/CVE-2026-18121.md)
  `CVE-2026-18121` · CVE record: Concrete CMS Concrete CMS · CVSS 6.3 Medium · Not analysed yet · Published 10 Sept 2026 · Tags: Broken access control
- [Concrete CMS 9 through 9.5.2 is vulnerable to CSRFin the Boards custom slot dialog controller](https://agentprime.io/advisories/CVE-2026-84432.md)
  `CVE-2026-84432` · CVE record: Concrete CMS Concrete CMS · CVSS 5.3 Medium · Not analysed yet · Published 10 Sept 2026 · Tags: Cross-site request forgery (CSRF)
- [Concrete CMS 8.3.0 through 9.5.2 is vulnerable to an authorization bypass through user-controlled key (cross-calendar IDOR) in the Calendar event edit dialog](https://agentprime.io/advisories/CVE-2026-68527.md)
  `CVE-2026-68527` · CVE record: Concrete CMS Concrete CMS · CVSS 5.9 Medium · Not analysed yet · Published 10 Sept 2026 · Tags: Broken access control
- [Concrete CMS before 9.5.3 is vulnerable to Missing Authorization in Stack/Container Sub-Block Asset Registration](https://agentprime.io/advisories/CVE-2026-81904.md)
  `CVE-2026-81904` · CVE record: Concrete CMS Concrete CMS · CVSS 6.3 Medium · Not analysed yet · Published 8 Sept 2026 · Tags: Broken access control
- [Concrete CMS: A Cross-Site Scripting (XSS) vulnerability exists in the rcID parameter in Concrete CMS…](https://agentprime.io/advisories/CVE-2011-3183.md)
  `CVE-2011-3183` · CVE record: Concrete CMS Concrete CMS · No CVSS score · Not analysed yet · Published 14 Jan 2020

Newest: <https://agentprime.io/advisories/technology/concrete-cms.md>

## Filters and formats

Filters are query parameters on this URL: `q` (words, as in a web search engine: `"a phrase"`, `OR`, `-word`; an id; a package or product name), `severity` (low, medium, high or critical), `critical=1`, `kev=1`, `ecosystem` (npm, pypi, packagist, go, maven, rubygems, crates, nuget, hex), `kind=package`, `assigner` (a CNA’s short name), `min_score` and `state`. Each record’s title links to its Markdown page.

- The same list as JSON: <https://api.agentprime.io/v1/advisories?technology=concrete-cms&cursor=WyIyMDI2LTA5LTEwVDIzOjIwOjQ3LjQ3MDAwMFoiLCJDVkUtMjAyNi04MTkwNiJd>
- Every list: <https://agentprime.io/advisories.md>, critical: <https://agentprime.io/advisories/critical.md>; by weakness: <https://agentprime.io/advisories/tag/sql-injection.md> and the other tags in <https://agentprime.io/llms.txt>; by technology: `/advisories/technology/<slug>.md` (`fortinet-fortimail`)

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The web page: <https://agentprime.io/advisories/technology/concrete-cms/?cursor=WyIyMDI2LTA5LTEwVDIzOjIwOjQ3LjQ3MDAwMFoiLCJDVkUtMjAyNi04MTkwNiJd>. Everything for agents: <https://agentprime.io/llms.txt>.