CVE-2026-53742 (GCVE-0-2026-53742)

Vulnerability from cvelistv5 – Published: 2026-06-10 20:39 – Updated: 2026-06-10 20:39
VLAI
Title
Simple Link Directory through 9.0.4 Stored XSS via Embed Shortcode Attributes
Summary
Simple Link Directory through 9.0.4 echoes embed shortcode attributes into HTML data attributes without escaping in the embedder template. Attackers with contributor access can craft a shortcode attribute that injects an event handler executing in a viewer's browser.
Severity
5.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
5.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
Vendor Product Version
quantumcloud Simple Link Directory Affected: 0 , ≤ 9.0.4 (semver)
Create a notification for this product.
Date Public
2026-06-10 00:00
Credits
Scott Moore - VulnCheck
Show details on NVD website
To clipboard 

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        {
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          "vendor": "quantumcloud",
          "versions": [
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              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
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      ],
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      "descriptions": [
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          "value": "Simple Link Directory through 9.0.4 echoes embed shortcode attributes into HTML data attributes without escaping in the embedder template. Attackers with contributor access can craft a shortcode attribute that injects an event handler executing in a viewer\u0027s browser."
        }
      ],
      "metrics": [
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            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
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            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
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            "baseSeverity": "MEDIUM",
            "exploitMaturity": "NOT_DEFINED",
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            "userInteraction": "REQUIRED",
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            "version": "3.1"
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      "providerMetadata": {
        "dateUpdated": "2026-06-10T20:39:46.549Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
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      "references": [
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          "name": "WordPress Plugin Repository",
          "tags": [
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          "url": "https://wordpress.org/plugins/simple-link-directory/"
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          "tags": [
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        }
      ],
      "title": "Simple Link Directory through 9.0.4 Stored XSS via Embed Shortcode Attributes",
      "x_generator": {
        "engine": "scooter"
      }
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    "datePublished": "2026-06-10T20:39:46.549Z",
    "dateReserved": "2026-06-10T17:16:10.427Z",
    "dateUpdated": "2026-06-10T20:39:46.549Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2",
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  }
}


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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.