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Advisory record · GHSA-xj25-753j-wgp9

Concrete CMS is vulnerable to Cross Site Request Forgery (CSRF) at concrete/controllers/dialog/express/association/reorder

CVSS 2.3 LowEPSS 0.0013 · 2nd percentile

Published by the GitHub Advisory Database at 22 May 2026, 00:31 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
concrete5/concrete5Packagist>=9.0.0RC1, <9.5.19.5.1
Identifiers
GHSA-xj25-753j-wgp9 · CVE-2026-8415 · PKSA-9s3m-thqq-9cfd
Weakness (CWE)
CWE-352 · CWE-1275
Tags
Published
22 May 2026
Updated
10 Sept 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

Concrete CMS (Packagist package concrete5/concrete5) is affected in versions from 9.0.0RC1 before 9.5.1, in the endpoint concrete/controllers/dialog/express/association/reorder. The source does not describe what an attacker could do beyond the forged requests this flaw allows, and it gives few other details. Upgrade to version 9.5.1, which is listed as the fixed release.

Written 31 Oct 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
2.3 Low 4.0 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N CNA (ConcreteCMS)
  • CISA KEV Not listed.
  • EPSS 0.0013, the 2nd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:01 UTC First seen by agentprime
  2. 31 Oct 2026, 14:01 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.