PT-2026-22866 · Unknown · Concrete Cms

M3Dium · Publicado 2026-03-04 · Atualizado 2026-03-04 · CVE-2026-3241

Positive Technologies (AI Summary)

CVSS v3.1

4.8

Média

Vetor base

AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Concrete CMS versions prior to 9.4.8

Description A stored cross-site scripting (XSS) issue exists in the "Legacy Form" block. An authenticated user with appropriate permissions can inject a JavaScript payload into the options of a multiple-choice question (Checkbox List, Radio Buttons, or Select Box). This payload is then executed in the browser of any user who views the page containing the form. The affected block allows for the injection of persistent JavaScript code.

Recommendations Update Concrete CMS to version 9.4.8 or later.

Correção

XSS

Enumeração de Fraquezas

CWE-79

Identificadores relacionados

CVE-2026-3241

GHSA-F4VQ-PJ32-GR4Q

Produtos afetados

Concrete Cms

Referências · 10

• https://github.com/concretecms/concretecms · Nota
• https://github.com/concretecms/concretecms/pull/12826 · Aviso do Fabricante
• https://twitter.com/cyberbivash/status/2029061297837330695 · Publicação no Twitter
• https://nvd.nist.gov/vuln/detail/CVE-2026-3241 · Nota de Segurança
• https://osv.dev/vulnerability/CVE-2026-3241 · Aviso do Fabricante
• https://documentation.concretecms.org/9-x/developers/introduction/version-history/948-release-notes · Aviso do Fabricante
• https://osv.dev/vulnerability/GHSA-f4vq-pj32-gr4q · Aviso do Fabricante
• https://t.me/CVEtracker/46275 · Publicação no Telegram
• https://twitter.com/CVEarity/status/2029168997699338446 · Publicação no Twitter
• https://twitter.com/VulmonFeeds/status/2029182762393993494 · Publicação no Twitter