FKIE_CVE-2025-70886

Vulnerability from fkie_nvd - Published: 2026-02-12 16:16 - Updated: 2026-02-18 15:45
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
An issue in halo v.2.22.4 and before allows a remote attacker to cause a denial of service via a crafted payload to the public comment submission endpoint
References
cve@mitre.orghttps://github.com/HowieHz/CVE-2025-70886Exploit, Third Party Advisory
cve@mitre.orghttps://github.com/halo-dev/halo/issues/7890Exploit, Issue Tracking, Vendor Advisory
cve@mitre.orghttps://howiehz.top/archives/halo-comment-payload-tweakerExploit, Third Party Advisory
Impacted products
Vendor Product Version
halo halo *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:halo:halo:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "F4B0963A-F41A-46E2-BC16-04F8A61F42EB",
              "versionEndIncluding": "2.22.4",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue in halo v.2.22.4 and before allows a remote attacker to cause a denial of service via a crafted payload to the public comment submission endpoint"
    }
  ],
  "id": "CVE-2025-70886",
  "lastModified": "2026-02-18T15:45:23.433",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-02-12T16:16:05.920",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://github.com/HowieHz/CVE-2025-70886"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "url": "https://github.com/halo-dev/halo/issues/7890"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://howiehz.top/archives/halo-comment-payload-tweaker"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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  • 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.
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  • 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.



Detection rules are retrieved from Rulezet.