CVE-2025-2833
Estado: AnalizadaMedia (6.9)—
A vulnerability was found in zhangyd-c OneBlog up to 2.3.9. It has been classified as problematic. Affected is an unknown function of the component HTTP Header Handler. The manipulation of the argument X-Forwarded-For leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
CVSS
- Versión: 4.0
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/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
- Puntuación base: 6.9
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.71%
- Percentil entre todas las CVEs puntuadas: 52
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-400, CWE-1333
Referencias
- https://github.com/zhangyd-c/OneBlog/issues/35
- https://github.com/zhangyd-c/OneBlog/issues/35#issue-2914268214
- https://vuldb.com/?ctiid.301470
- https://vuldb.com/?id.301470
- https://vuldb.com/?submit.521813
- https://github.com/zhangyd-c/OneBlog/issues/35
- https://github.com/zhangyd-c/OneBlog/issues/35#issue-2914268214
JSON original (NVD)
Mostrar
{
"id": "CVE-2025-2833",
"cveTags": [],
"metrics": {
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2025-2833",
"role": "CISA Coordinator",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2025-03-27T13:41:44.373363Z"
}
}
],
"cvssMetricV2": [
{
"type": "Secondary",
"source": "cna@vuldb.com",
"cvssData": {
"version": "2.0",
"baseScore": 5,
"accessVector": "NETWORK",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "MEDIUM",
"obtainAllPrivilege": false,
"exploitabilityScore": 10,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV31": [
{
"type": "Secondary",
"source": "cna@vuldb.com",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.1",
"baseScore": 5.3,
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "LOW",
"privilegesRequired": "NONE",
"confidentialityImpact": "NONE"
},
"impactScore": 1.4,
"exploitabilityScore": 3.9
}
],
"cvssMetricV40": [
{
"type": "Secondary",
"source": "cna@vuldb.com",
"cvssData": {
"Safety": "NOT_DEFINED",
"version": "4.0",
"Recovery": "NOT_DEFINED",
"baseScore": 6.9,
"Automatable": "NOT_DEFINED",
"attackVector": "NETWORK",
"baseSeverity": "MEDIUM",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/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": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"subIntegrityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"integrityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"vulnAvailabilityImpact": "LOW",
"availabilityRequirement": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"subConfidentialityImpact": "NONE",
"vulnConfidentialityImpact": "NONE",
"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": [
{
"vendor": "zhangyd-c",
"modules": [
"HTTP Header Handler"
],
"product": "OneBlog",
"versions": [
{
"status": "affected",
"version": "2.3.0"
},
{
"status": "affected",
"version": "2.3.1"
},
{
"status": "affected",
"version": "2.3.2"
},
{
"status": "affected",
"version": "2.3.3"
},
{
"status": "affected",
"version": "2.3.4"
},
{
"status": "affected",
"version": "2.3.5"
},
{
"status": "affected",
"version": "2.3.6"
},
{
"status": "affected",
"version": "2.3.7"
},
{
"status": "affected",
"version": "2.3.8"
},
{
"status": "affected",
"version": "2.3.9"
}
]
}
]
}
],
"published": "2025-03-27T04:15:23.847",
"references": [
{
"url": "https://github.com/zhangyd-c/OneBlog/issues/35",
"tags": [
"Exploit",
"Issue Tracking"
],
"source": "cna@vuldb.com"
},
{
"url": "https://github.com/zhangyd-c/OneBlog/issues/35#issue-2914268214",
"tags": [
"Exploit",
"Issue Tracking"
],
"source": "cna@vuldb.com"
},
{
"url": "https://vuldb.com/?ctiid.301470",
"tags": [
"Permissions Required",
"VDB Entry"
],
"source": "cna@vuldb.com"
},
{
"url": "https://vuldb.com/?id.301470",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "cna@vuldb.com"
},
{
"url": "https://vuldb.com/?submit.521813",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "cna@vuldb.com"
},
{
"url": "https://github.com/zhangyd-c/OneBlog/issues/35",
"tags": [
"Exploit",
"Issue Tracking"
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
},
{
"url": "https://github.com/zhangyd-c/OneBlog/issues/35#issue-2914268214",
"tags": [
"Exploit",
"Issue Tracking"
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
],
"vulnStatus": "Analyzed",
"weaknesses": [
{
"type": "Secondary",
"source": "cna@vuldb.com",
"description": [
{
"lang": "en",
"value": "CWE-400"
},
{
"lang": "en",
"value": "CWE-1333"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was found in zhangyd-c OneBlog up to 2.3.9. It has been classified as problematic. Affected is an unknown function of the component HTTP Header Handler. The manipulation of the argument X-Forwarded-For leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used."
},
{
"lang": "es",
"value": "Se encontró una vulnerabilidad en zhangyd-c OneBlog hasta la versión 2.3.9. Se ha clasificado como problemática. Se ve afectada una función desconocida del componente HTTP Header Handler. La manipulación del argumento X-Forwarded-For genera una complejidad ineficiente en las expresiones regulares. Es posible ejecutar el ataque de forma remota. Se ha hecho público el exploit y puede que sea utilizado."
}
],
"lastModified": "2026-06-17T09:07:41.950",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:zhyd:oneblog:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "A0C22046-D0BA-4159-92D1-3DC96B54CDD8",
"versionEndIncluding": "2.3.9"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "cna@vuldb.com"
}