CVE-2026-77788 (GCVE-0-2026-77788)
Vulnerability from cvelistv5
Published
2026-09-02 06:00
Modified
2026-09-02 10:45
Severity ?
VLAI Severity ?
EPSS score ?
Summary
The Rank Math SEO WordPress plugin before 1.0.277 does not verify that the metadata row being updated belongs to the object the user was authorised against, allowing users with the Author role and above to overwrite arbitrary post and user metadata, including that belonging to higher-privileged users.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Unknown | Rank Math SEO |
Version: 1.0.48 ≤ |
{
"containers": {
"adp": [
{
"metrics": [
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"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.9,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
}
},
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"other": {
"content": {
"id": "CVE-2026-77788",
"options": [
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},
{
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},
{
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}
],
"role": "CISA Coordinator",
"timestamp": "2026-09-02T10:34:37.605293Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
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{
"cweId": "CWE-639",
"description": "CWE-639 Authorization Bypass Through User-Controlled Key",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-02T10:45:56.783Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Rank Math SEO",
"vendor": "Unknown",
"versions": [
{
"lessThan": "1.0.277",
"status": "affected",
"version": "1.0.48",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Usama Arshad"
},
{
"lang": "en",
"type": "coordinator",
"value": "WPScan"
}
],
"descriptions": [
{
"lang": "en",
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}
],
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{
"description": "CWE-639 Authorization Bypass Through User-Controlled Key",
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"dateUpdated": "2026-09-02T06:00:19.809Z",
"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
"shortName": "WPScan"
},
"references": [
{
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"vdb-entry",
"technical-description"
],
"url": "https://wpscan.com/vulnerability/c02511a0-9c8b-44cd-b25f-e95cf5f9fef3/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Rank Math SEO \u003c 1.0.277 - Author+ Arbitrary Post and User Metadata Overwrite via updateSchemas",
"x_generator": {
"engine": "WPScan CVE Generator"
}
}
},
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"dateReserved": "2026-08-21T12:06:34.124Z",
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"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"vulnrichment": {
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"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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