CVE-2026-8139
- Source
- https://cve.org/CVERecord?id=CVE-2026-8139
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-8139.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-8139
- Aliases
- Published
- 2026-05-21T21:45:49.849Z
- Modified
- 2026-07-15T01:49:09.946797162Z
- Severity
-
- 2.0 (Low) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N CVSS Calculator
- Summary
- Concrete CMS 9.5.0 and below is vulnerable to Stored XSS via external-link page cvName
- Details
-
Concrete CMS 9.5.0 and below is vulnerable to Stored XSS via external-link page cvName because updateCollectionAliasExternal bypasses being sanitized. The Concrete CMS security team gave this vulnerability a CVSS v.4.0 score of 2.0 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N. Thanks Yonatan Drori (Tenzai) for reporting.
- Database specific
{ "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/8xxx/CVE-2026-8139.json", "cwe_ids": [ "CWE-79" ], "cna_assigner": "ConcreteCMS" }- References
Affected packages
Git / github.com/concretecms/concretecms
Affected ranges
- Type
- GIT
- Repo
- https://github.com/concretecms/concretecms
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedLast affected
- Database specific
{ "cpe": "cpe:2.3:a:concretecms:concrete_cms:*:*:*:*:*:*:*:*", "source": [ "AFFECTED_FIELD", "CPE_RANGE" ], "extracted_events": [ { "introduced": "5.0" }, { "last_affected": "9.5.0" }, { "introduced": "0" } ] }