FKIE_CVE-2026-45578
Vulnerability from fkie_nvd - Published: 2026-05-29 14:16 - Updated: 2026-07-21 12:10
Severity
Summary
WWBN AVideo is an open source video platform. In 29.0 and earlier, there is a classic shell-metacharacter injection. The YPTSocket notification branch in plugin/Live/on_publish.php builds an execAsync() command line by string concatenation, single-quoting each argument but never calling escapeshellarg(). A ' in any of the three interpolated values ($users_id, $m3u8, $obj->liveTransmitionHistory_id) closes the quoted token and lets the attacker append arbitrary commands.
References
| URL | Tags | ||
|---|---|---|---|
| security-advisories@github.com | https://github.com/WWBN/AVideo/security/advisories/GHSA-xw67-cg5f-4m2r | Mitigation, Vendor Advisory |
{
"affected": [
{
"affectedData": [
{
"product": "AVideo",
"vendor": "WWBN",
"versions": [
{
"status": "affected",
"version": "\u003c= 29.0"
}
]
}
],
"source": "security-advisories@github.com"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:wwbn:avideo:*:*:*:*:*:*:*:*",
"matchCriteriaId": "AC38CA07-71C1-4C86-B84A-83CF96367CBA",
"versionEndIncluding": "29.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "WWBN AVideo is an open source video platform. In 29.0 and earlier, there is a classic shell-metacharacter injection. The YPTSocket notification branch in plugin/Live/on_publish.php builds an execAsync() command line by string concatenation, single-quoting each argument but never calling escapeshellarg(). A \u0027 in any of the three interpolated values ($users_id, $m3u8, $obj-\u003eliveTransmitionHistory_id) closes the quoted token and lets the attacker append arbitrary commands."
},
{
"lang": "es",
"value": "WWBN AVideo es una plataforma de video de c\u00f3digo abierto. En la versi\u00f3n 29.0 y anteriores, existe una inyecci\u00f3n cl\u00e1sica de metacaracteres de shell. La rama de notificaci\u00f3n YPTSocket en plugin/Live/on_publish.php construye una l\u00ednea de comandos execAsync() mediante concatenaci\u00f3n de cadenas, entrecomillando cada argumento con comillas simples pero sin llamar nunca a escapeshellarg(). Una \u0027 en cualquiera de los tres valores interpolados ($users_id, $m3u8, $obj-\u003eliveTransmitionHistory_id) cierra el token entrecomillado y permite al atacante a\u00f1adir comandos arbitrarios."
}
],
"id": "CVE-2026-45578",
"lastModified": "2026-07-21T12:10:00.090",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"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:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9,
"source": "security-advisories@github.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-45578",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-05-29T14:01:37.225187Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-05-29T14:16:30.253",
"references": [
{
"source": "security-advisories@github.com",
"tags": [
"Mitigation",
"Vendor Advisory"
],
"url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-xw67-cg5f-4m2r"
}
],
"sourceIdentifier": "security-advisories@github.com",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-78"
}
],
"source": "security-advisories@github.com",
"type": "Secondary"
}
]
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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