CVE-2026-113388
A security flaw has been discovered in opensource-socialnetwork up to 9.11/10.1. This affects the function input of the file actions/administrator/cache/dynamic.php of the component Cache Settings. Performing a manipulation of the argument host/port/username/password/type/status results in code injection. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The patch is named 40945057cb451f0f35153110bc7e889c094400e1. Applying a patch is the recommended action to fix this issue.
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The vendor explains: "While we have implemented this patch as a defense-in-depth measure, we emphasize that in Open Source Social Network (OSSN), site administrators are fully trusted users who are intentionally granted broad system authority by design including the native ability to upload custom components/themes containing arbitrary PHP code."
CVSS
- Base score
- 1.9
- Version
- 4.0
- Vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Exploitation probability (EPSS)
FIRST hasn't scored this CVE yet (usual for very recent or rejected CVEs).
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
ATT&CK techniques
How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.
- Exploitation
T1203Exploitation for Client Executionexecution60 % - Primary impact
T1059Command and Scripting Interpreterexecution55 %
Inferred by deterministic rules from the CVSS vector and CWE. Indicative only.
ATT&CK mitigations that cover these techniques
Affected technologies (1)
⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.
CWEs
- CWE-74, CWE-94
References
Show 7 references
- https://gist.github.com/qianqiusujiu/c0452f09e91de23f002a384038325104
- https://github.com/opensource-socialnetwork/opensource-socialnetwork/
- https://github.com/opensource-socialnetwork/opensource-socialnetwork/commit/40945057cb451f0f35153110bc7e889c094400e1
- https://vuldb.com/cve/CVE-2026-113388
- https://vuldb.com/submit/1009749
- https://vuldb.com/vuln/422662
- https://vuldb.com/vuln/422662/cti
Raw JSON (NVD)
Show
{
"id": "CVE-2026-113388",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-113388",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-10-20T15:22:23.938517Z"
}
}
],
"cvssMetricV2": [
{
"type": "Secondary",
"source": "cna@vuldb.com",
"cvssData": {
"version": "2.0",
"baseScore": 5.8,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:M/C:P/I:P/A:P",
"authentication": "MULTIPLE",
"integrityImpact": "PARTIAL",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 6.4,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 6.4,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cna@vuldb.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 4.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L",
"integrityImpact": "LOW",
"userInteraction": "REQUIRED",
"attackComplexity": "LOW",
"availabilityImpact": "LOW",
"privilegesRequired": "HIGH",
"confidentialityImpact": "LOW"
},
"impactScore": 3.4,
"exploitabilityScore": 0.9
}
],
"cvssMetricV40": [
{
"type": "Secondary",
"source": "cna@vuldb.com",
"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 1.9,
"Automatable": "NOT_DEFINED",
"attackVector": "NETWORK",
"baseSeverity": "LOW",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"exploitMaturity": "PROOF_OF_CONCEPT",
"providerUrgency": "NOT_DEFINED",
"userInteraction": "PASSIVE",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "HIGH",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "LOW",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "LOW",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"confidentialityRequirement": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED"
}
}
]
},
"affected": [
{
"source": "cna@vuldb.com",
"affectedData": [
{
"cpes": [
"cpe:2.3:a:opensource-socialnetwork:opensource-socialnetwork:*:*:*:*:*:*:*:*"
],
"vendor": "n/a",
"modules": [
"Cache Settings"
],
"product": "opensource-socialnetwork",
"versions": [
{
"status": "affected",
"version": "9.0"
},
{
"status": "affected",
"version": "9.1"
},
{
"status": "affected",
"version": "9.2"
},
{
"status": "affected",
"version": "9.3"
},
{
"status": "affected",
"version": "9.4"
},
{
"status": "affected",
"version": "9.5"
},
{
"status": "affected",
"version": "9.6"
},
{
"status": "affected",
"version": "9.7"
},
{
"status": "affected",
"version": "9.8"
},
{
"status": "affected",
"version": "9.9"
},
{
"status": "affected",
"version": "9.10"
},
{
"status": "affected",
"version": "9.11"
},
{
"status": "affected",
"version": "10.0"
},
{
"status": "affected",
"version": "10.1"
}
]
}
]
}
],
"published": "2026-10-20T12:17:29.237",
"references": [
{
"url": "https://gist.github.com/qianqiusujiu/c0452f09e91de23f002a384038325104",
"source": "cna@vuldb.com"
},
{
"url": "https://github.com/opensource-socialnetwork/opensource-socialnetwork/",
"source": "cna@vuldb.com"
},
{
"url": "https://github.com/opensource-socialnetwork/opensource-socialnetwork/commit/40945057cb451f0f35153110bc7e889c094400e1",
"source": "cna@vuldb.com"
},
{
"url": "https://vuldb.com/cve/CVE-2026-113388",
"source": "cna@vuldb.com"
},
{
"url": "https://vuldb.com/submit/1009749",
"source": "cna@vuldb.com"
},
{
"url": "https://vuldb.com/vuln/422662",
"source": "cna@vuldb.com"
},
{
"url": "https://vuldb.com/vuln/422662/cti",
"source": "cna@vuldb.com"
}
],
"vulnStatus": "Received",
"weaknesses": [
{
"type": "Secondary",
"source": "cna@vuldb.com",
"description": [
{
"lang": "en",
"value": "CWE-74"
},
{
"lang": "en",
"value": "CWE-94"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A security flaw has been discovered in opensource-socialnetwork up to 9.11/10.1. This affects the function input of the file actions/administrator/cache/dynamic.php of the component Cache Settings. Performing a manipulation of the argument host/port/username/password/type/status results in code injection. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. The patch is named 40945057cb451f0f35153110bc7e889c094400e1. Applying a patch is the recommended action to fix this issue. The vendor explains: \"While we have implemented this patch as a defense-in-depth measure, we emphasize that in Open Source Social Network (OSSN), site administrators are fully trusted users who are intentionally granted broad system authority by design including the native ability to upload custom components/themes containing arbitrary PHP code.\""
}
],
"lastModified": "2026-10-20T17:17:33.740",
"sourceIdentifier": "cna@vuldb.com"
}