CVE Explorer
CVE-2026-3242
In Concrete CMS below version 9.4.8, a rogue administrator can add stored XSS via the Switch Language block. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 4.8 with vector CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks M3dium for reporting.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"collectionURL":"https://github.com/concretecms/concretecms","defaultStatus":"unaffected","platforms":["git"],"product":"Concrete CMS","repo":"https://github.com/concretecms/concretecms","vendor":"Concrete CMS","versions":[{"lessThan":"9.4.8","status":"affected","version":"5","versionType":"git"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:3bf528c21a9f2fabfe3e7b78c0156b92cb39285d9d0c450567988d5e3fae59ac · sha256:35f9745046312c93… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":4.8,"baseSeverity":"MEDIUM","exploitMaturity":"NOT_DEFINED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpa…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:3bf528c21a9f2fabfe3e7b78c0156b92cb39285d9d0c450567988d5e3fae59ac · sha256:35f9745046312c93… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:3bf528c21a9f2fabfe3e7b78c0156b92cb39285d9d0c450567988d5e3fae59ac · sha256:35f9745046312c93… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"url":"https://documentation.concretecms.org/9-x/developers/introduction/version-history/948-release-notes"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3bf528c21a9f2fabfe3e7b78c0156b92cb39285d9d0c450567988d5e3fae59ac · sha256:35f9745046312c93… · /containers/cna/references/1
{"url":"https://github.com/concretecms/concretecms/pull/12826"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:3bf528c21a9f2fabfe3e7b78c0156b92cb39285d9d0c450567988d5e3fae59ac · sha256:35f9745046312c93… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.