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CVE-2025-32873

Estado: AnalizadaMedia (5.3)—

An issue was discovered in Django 4.2 before 4.2.21, 5.1 before 5.1.9, and 5.2 before 5.2.1. The django.utils.html.strip_tags() function is vulnerable to a potential denial-of-service (slow performance) when processing inputs containing large sequences of incomplete HTML tags. The template filter striptags is also vulnerable, because it is built on top of strip_tags().

CVSS

Probabilidad de explotación (EPSS)

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)

Djangoproject — Django

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2025-32873",
  "cveTags": [],
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          "id": "CVE-2025-32873",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-05-08T14:36:22.376528Z"
        }
      }
    ],
    "cvssMetricV31": [
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        "source": "cve@mitre.org",
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          "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
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  "published": "2025-05-08T04:17:18.157",
  "references": [
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      "url": "https://docs.djangoproject.com/en/dev/releases/security/",
      "tags": [
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      "url": "https://www.djangoproject.com/weblog/2025/may/07/security-releases/",
      "tags": [
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    {
      "url": "http://www.openwall.com/lists/oss-security/2025/05/07/1",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "source": "cve@mitre.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
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      ]
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      "lang": "en",
      "value": "An issue was discovered in Django 4.2 before 4.2.21, 5.1 before 5.1.9, and 5.2 before 5.2.1. The django.utils.html.strip_tags() function is vulnerable to a potential denial-of-service (slow performance) when processing inputs containing large sequences of incomplete HTML tags. The template filter striptags is also vulnerable, because it is built on top of strip_tags()."
    },
    {
      "lang": "es",
      "value": "Se descubrió un problema en Django 4.2 (anterior a 4.2.21), 5.1 (anterior a 5.1.9) y 5.2 (anterior a 5.2.1). La función django.utils.html.strip_tags() es vulnerable a una posible denegación de servicio (rendimiento lento) al procesar entradas que contienen grandes secuencias de etiquetas HTML incompletas. El filtro de plantilla striptags también es vulnerable, ya que está basado en strip_tags()."
    }
  ],
  "lastModified": "2026-06-17T09:12:43.770",
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