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vuln-cve/data/2026/43xxx/CVE-2026-43879.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-43879",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-05-04T15:17:09.329Z",
"datePublished": "2026-05-11T20:36:34.210Z",
"dateUpdated": "2026-05-15T18:22:38.821Z"
},
"containers": {
"cna": {
"title": "WWBN AVideo: Blind SSRF in YPTWallet Donation Webhook via Missing isSSRFSafeURL() Check and CURLOPT_FOLLOWLOCATION Redirect Bypass",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-918",
"lang": "en",
"description": "CWE-918: Server-Side Request Forgery (SSRF)",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/WWBN/AVideo/security/advisories/GHSA-wp38-whx3-xffh",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-wp38-whx3-xffh"
},
{
"name": "https://github.com/WWBN/AVideo/commit/aaacd48f29f1ff71d1eb5fc81d37605f593cefa9",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/WWBN/AVideo/commit/aaacd48f29f1ff71d1eb5fc81d37605f593cefa9"
}
],
"affected": [
{
"vendor": "WWBN",
"product": "AVideo",
"versions": [
{
"version": "<= 29.0",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-05-11T20:36:34.210Z"
},
"descriptions": [
{
"lang": "en",
"value": "WWBN AVideo is an open source video platform. In versions up to and including 29.0, an authenticated user can configure their own donation-notification webhook URL to point at internal/loopback/metadata hosts (e.g. http://127.0.0.1:8080/..., http://169.254.169.254/latest/..., RFC1918 addresses). When any other user (including a second account owned by the same attacker) donates even a trivial amount via plugin/CustomizeUser/donate.json.php, the AVideo server issues a curl POST to the attacker-supplied URL, resulting in a blind SSRF. The handler uses only isValidURL() (which is a format check) and does not call the codebase's own isSSRFSafeURL() helper. Additionally, CURLOPT_FOLLOWLOCATION is enabled with no per-hop revalidation, so even if the stored URL were validated, an HTTP 307 from an attacker-controlled host could redirect the POST to internal targets. Commit aaacd48f29f1ff71d1eb5fc81d37605f593cefa9 contains an updated fix."
}
],
"source": {
"advisory": "GHSA-wp38-whx3-xffh",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"references": [
{
"url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-wp38-whx3-xffh",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-05-15T18:22:33.697750Z",
"id": "CVE-2026-43879",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-05-15T18:22:38.821Z"
}
}
]
}
}