CVE-2026-12583 (GCVE-0-2026-12583)
Vulnerability from cvelistv5
Published
2026-07-14 06:00
Modified
2026-07-14 12:28
Severity ?
VLAI Severity ?
EPSS score ?
Summary
The Newsletters WordPress plugin before 4.15 does not prevent deserialization of untrusted input that is stored through a public form, allowing unauthenticated attackers to inject a PHP object and, via a property-oriented gadget chain bundled with the Newsletters WordPress plugin before 4.15, write arbitrary files and execute code on the server.
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Unknown | Newsletters |
Version: 0 ≤ |
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"adp": [
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"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.1,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
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"version": "2.0.3"
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"providerMetadata": {
"dateUpdated": "2026-07-14T12:28:44.066Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Newsletters",
"vendor": "Unknown",
"versions": [
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"lessThan": "4.15",
"status": "affected",
"version": "0",
"versionType": "semver"
}
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"credits": [
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"type": "finder",
"value": "Yaswanth Reddy Sunkara"
},
{
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}
],
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}
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},
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],
"url": "https://wpscan.com/vulnerability/e4c44105-f43d-4dff-8487-7d8ae2691c4e/"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Newsletters \u003c 4.15 - Unauthenticated PHP Object Injection via Subscriber Custom Field",
"x_generator": {
"engine": "WPScan CVE Generator"
}
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"state": "PUBLISHED"
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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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