170 lines
7.7 KiB
JSON
170 lines
7.7 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-18113",
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"assignerOrgId": "ff5b8ace-8b95-4078-9743-eac1ca5451de",
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"state": "PUBLISHED",
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"assignerShortName": "ConcreteCMS",
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"dateReserved": "2026-07-28T18:01:57.257Z",
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"datePublished": "2026-09-15T17:32:16.023Z",
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"dateUpdated": "2026-09-20T00:45:43.542Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "ff5b8ace-8b95-4078-9743-eac1ca5451de",
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"shortName": "ConcreteCMS",
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"dateUpdated": "2026-09-15T17:32:16.023Z"
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},
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"title": "Concrete CMS 9.0 to 9.5.2 is vulnerable to Stored XSS in the Top Navigation Bar Block via Dropdown Child Page Names",
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"problemTypes": [
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{
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"descriptions": [
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{
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"lang": "en",
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"cweId": "CWE-79",
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"description": "CWE-79 Improper Neutralization of Input During Web Page Generation",
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"type": "CWE"
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}
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]
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-592",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-592 Stored XSS"
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}
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]
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}
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],
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"affected": [
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{
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"vendor": "Concrete CMS",
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"product": "Concrete CMS",
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"collectionURL": "https://github.com/concretecms/concretecms",
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"repo": "https://github.com/concretecms/concretecms",
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"versions": [
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{
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"status": "affected",
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"version": "9.0.0",
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"lessThanOrEqual": "9.5.2",
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"versionType": "git"
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}
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],
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"defaultStatus": "unaffected"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"value": "In Concrete CMS 9.0 to 9.5.2, the Top Navigation Bar block did not HTML-escape dropdown child page names before writing them into the page, so a user who could create or rename pages could store a script through a child page name and have it run in the browser of any visitor, editor, or administrator who viewed the navigation and opened the affected dropdown. In the Concrete CMS origin, the script executed with the victim's privileges and could read same-origin content or perform actions available to that user. The Concrete CMS security team gave this vulnerability a CVSS v4.0 score of 7.5 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N. Thanks labixiaoxin97 for reporting.",
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"supportingMedia": [
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{
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"type": "text/html",
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"base64": false,
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"value": "<p><span>In Concrete CMS 9.0 to 9.5.2, the Top Navigation Bar block did not HTML-escape dropdown child page names before writing them into the page, so a user who could create or rename pages could store a script through a child page name and have it run in the browser of any visitor, editor, or administrator who viewed the navigation and opened the affected dropdown. In the Concrete CMS origin, the script executed with the victim's privileges and could read same-origin content or perform actions available to that user. </span>The Concrete CMS security team gave this vulnerability a CVSS v4.0 score of 7.5 with vector CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N. Thanks labixiaoxin97 for reporting.</p>"
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}
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]
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}
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],
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"references": [
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{
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"url": "https://documentation.concretecms.org/developers/introduction/version-history/953-release-notes",
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"tags": [
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"release-notes"
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]
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}
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],
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"metrics": [
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{
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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],
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"cvssV4_0": {
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"privilegesRequired": "HIGH",
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"userInteraction": "NONE",
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"vulnConfidentialityImpact": "HIGH",
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"subConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "HIGH",
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"subIntegrityImpact": "NONE",
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"vulnAvailabilityImpact": "HIGH",
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"subAvailabilityImpact": "NONE",
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"exploitMaturity": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"valueDensity": "NOT_DEFINED",
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"vulnerabilityResponseEffort": "NOT_DEFINED",
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"providerUrgency": "NOT_DEFINED",
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"version": "4.0",
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"baseSeverity": "HIGH",
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"baseScore": 7.5,
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
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}
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}
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],
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"credits": [
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{
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"lang": "en",
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"value": "labixiaoxin97",
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"type": "finder"
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}
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],
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"source": {
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"defect": [
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"HackerOne"
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],
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"advisory": "3765230",
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"discovery": "EXTERNAL"
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},
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"x_generator": {
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"engine": "Vulnogram 1.0.5"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2026-18113",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "total"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-09-20T00:35:17.660109Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-09-20T00:45:43.542Z"
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}
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}
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]
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}
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} |