147 lines
6.4 KiB
JSON
147 lines
6.4 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-2026-100370",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-09-25T19:19:54.699Z",
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"datePublished": "2026-09-28T20:07:09.470Z",
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"dateUpdated": "2026-09-28T20:40:03.613Z"
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},
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"containers": {
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"cna": {
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"title": "DOMSanitizer - Incomplete data: URL Sanitization in DOMSanitizer::isDangerousUrl() Allows Base64-Encoded Payloads to Bypass href and xlink:href Validation",
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-20",
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"lang": "en",
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"description": "CWE-20: Improper Input Validation",
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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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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "NONE",
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"baseScore": 4.7,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "LOW",
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"integrityImpact": "NONE",
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"privilegesRequired": "NONE",
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"scope": "CHANGED",
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"userInteraction": "REQUIRED",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N",
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"version": "3.1"
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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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"name": "https://github.com/rhukster/dom-sanitizer/security/advisories/GHSA-wcj2-r6vg-rm97",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/rhukster/dom-sanitizer/security/advisories/GHSA-wcj2-r6vg-rm97"
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},
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{
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"name": "https://github.com/rhukster/dom-sanitizer/commit/10f97807e4501d60f63987f2e76a38cdbf312dcb",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/rhukster/dom-sanitizer/commit/10f97807e4501d60f63987f2e76a38cdbf312dcb"
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},
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{
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"name": "https://github.com/rhukster/dom-sanitizer/commit/fb8f758b41134fc5fb2f563666f2330c69e31f94",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/rhukster/dom-sanitizer/commit/fb8f758b41134fc5fb2f563666f2330c69e31f94"
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},
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{
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"name": "https://github.com/rhukster/dom-sanitizer/releases/tag/1.0.15",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/rhukster/dom-sanitizer/releases/tag/1.0.15"
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}
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],
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"affected": [
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{
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"vendor": "rhukster",
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"product": "dom-sanitizer",
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"versions": [
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{
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"version": "< 1.0.15",
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"status": "affected"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-09-28T20:07:09.470Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "DOMSanitizer is a DOM/SVG/MathML Sanitizer for PHP 7.3+. Prior to version 1.0.15, the isDangerousUrl() method is responsible for rejecting dangerous URL values in the href and xlink:href attributes. The weakness is that \"javascript:\" is rejected as a scheme, while \"data:\" is rejected only when the literal substring onload appears in the URL value (/^data:.*onload/i). Because data: payloads are routinely Base64-encoded, the dangerous content (<script>, event handlers, etc.) is invisible to that substring test. A URL such as data:text/html;base64,… therefore survives in href / xlink:href, even though the decoded payload is active markup. This is an incomplete input-validation / sanitization defect in the sanitizer itself. This issue has been patched in version 1.0.15."
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}
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],
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"source": {
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"advisory": "GHSA-wcj2-r6vg-rm97",
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"discovery": "UNKNOWN"
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}
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/rhukster/dom-sanitizer/security/advisories/GHSA-wcj2-r6vg-rm97",
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"tags": [
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"exploit"
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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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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-09-28T20:39:56.823996Z",
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"id": "CVE-2026-100370",
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"options": [
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{
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"Exploitation": "poc"
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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": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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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": "2026-09-28T20:40:03.613Z"
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}
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}
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]
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}
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} |