Vulnerability-Lookup

CVE-2026-81285 (GCVE-0-2026-81285)

Vulnerability from cvelistv5 – Published: 2026-08-28 14:33 – Updated: 2026-08-28 15:52

Title

WordPress Smush Image Compression and Optimization plugin <= 4.2.0 - Denial of Service Attack vulnerability

Summary

Unauthenticated Denial of Service Attack in Smush Image Compression and Optimization <= 4.2.0 versions.

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-28 15:50 UTC

CWE

CWE-770 - Allocation of Resources Without Limits or Throttling

Assigner

Patchstack mitre root

References

1 reference

URL	Tags
https://patchstack.com/database/wordpress/plugin/…	vdb-entry

Impacted products

1 product

Vendor	Product	Version	CPE status
WPMU DEV	Smush Image Compression and Optimization	Affected: n/a , ≤ 4.2.0 (custom)	guessed

Credits

Asim Alshaya | Patchstack Bug Bounty Program

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-81285

Vulnerability from fkie_nvd - Published: 2026-08-28 16:18 - Updated: 2026-08-28 20:20

Severity

7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Summary

Unauthenticated Denial of Service Attack in Smush Image Compression and Optimization <= 4.2.0 versions.

References

	URL	Tags
	audit@patchstack.com	https://patchstack.com/database/wordpress/plugin/wp-smushit/vulnerability/wordpress-smush-image-compression-and-optimization-plugin-4-2-0-denial-of-service-attack-vulnerability?_s_id=cve

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected",
          "packageName": "wp-smushit",
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GHSA-P96R-537R-M99J

Vulnerability from github – Published: 2026-08-28 18:31 – Updated: 2026-08-28 18:31

Details

Unauthenticated Denial of Service Attack in Smush Image Compression and Optimization <= 4.2.0 versions.

Severity

7.5 (High)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-81285"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-770"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-28T16:18:29Z",
    "severity": "HIGH"
  },
  "details": "Unauthenticated Denial of Service Attack in Smush Image Compression and Optimization \u003c= 4.2.0 versions.",
  "id": "GHSA-p96r-537r-m99j",
  "modified": "2026-08-28T18:31:30Z",
  "published": "2026-08-28T18:31:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-81285"
    },
    {
      "type": "WEB",
      "url": "https://patchstack.com/database/wordpress/plugin/wp-smushit/vulnerability/wordpress-smush-image-compression-and-optimization-plugin-4-2-0-denial-of-service-attack-vulnerability?_s_id=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
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      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-81285 (GCVE-0-2026-81285)

FKIE_CVE-2026-81285

GHSA-P96R-537R-M99J

Tags

Sightings

Nomenclature