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vuln-cve/data/2026/52xxx/CVE-2026-52771.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-52771",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-06-08T17:13:43.064Z",
"datePublished": "2026-09-04T23:41:34.061Z",
"dateUpdated": "2026-09-08T16:56:23.664Z"
},
"containers": {
"cna": {
"title": "YesWiki: Second-Order SQL Injection in Page Delete API via Unescaped Page Tag (`ApiController::deletePage`)",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-89",
"lang": "en",
"description": "CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 8.3,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/YesWiki/yeswiki/security/advisories/GHSA-8f2v-2qhj-gfwg",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/YesWiki/yeswiki/security/advisories/GHSA-8f2v-2qhj-gfwg"
},
{
"name": "https://github.com/YesWiki/yeswiki/commit/23d3cc124613b9428ab963b31807c08879a9c631",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/YesWiki/yeswiki/commit/23d3cc124613b9428ab963b31807c08879a9c631"
},
{
"name": "https://github.com/YesWiki/yeswiki/releases/tag/v4.6.6",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/YesWiki/yeswiki/releases/tag/v4.6.6"
}
],
"affected": [
{
"vendor": "YesWiki",
"product": "yeswiki",
"versions": [
{
"version": ">= 4.2.0, < 4.6.6",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-09-04T23:41:34.061Z"
},
"descriptions": [
{
"lang": "en",
"value": "YesWiki is a wiki system written in PHP. From version 4.2.0 to before version 4.6.6, ApiController::deletePage() interpolates a page tag retrieved from the database into a DELETE FROM …_links WHERE to_tag = '$tag' query without escaping. The page tag is attacker-controlled — the POST /api/pages/{tag} API accepts arbitrary URL-encoded values, including single quotes, and stores them. A low-privilege authenticated user can therefore create a page whose tag is a SQL fragment, make the page non-orphaned via the standard {{include page=\"…\"}} link mechanism, and then invoke the delete endpoint to execute arbitrary SQL inside the wiki database - including time-based blind data exfiltration from any table. This issue has been patched in version 4.6.6."
}
],
"source": {
"advisory": "GHSA-8f2v-2qhj-gfwg",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-09-08T16:41:16.858942Z",
"id": "CVE-2026-52771",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-09-08T16:56:23.664Z"
}
}
]
}
}