Vulnerability-Lookup

CVE-2026-65437 (GCVE-0-2026-65437)

Vulnerability from cvelistv5 – Published: 2026-07-27 22:44 – Updated: 2026-07-28 13:52

Title

WordPress Spam protection, AntiSpam, FireWall by CleanTalk plugin <= 6.82 - Cross Site Scripting (XSS) vulnerability

Summary

Unauthenticated Cross Site Scripting (XSS) in Spam protection, AntiSpam, FireWall by CleanTalk <= 6.82 versions.

Severity

7.1 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-28 13:51 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

Patchstack CNA under the mitre root

CNA scorecard B 75/100 over 3014 records in the last 180 days details

References

1 reference

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

Impacted products

1 product

Vendor	Product	Version	CPE status
CleanTalk Inc	Spam protection, AntiSpam, FireWall by CleanTalk	Affected: n/a , ≤ 6.82 (custom)	guessed

Credits

daroo | Patchstack Bug Bounty Program

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-65437

Vulnerability from fkie_nvd - Published: 2026-07-27 23:16 - Updated: 2026-07-28 16:19

Severity

7.1 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Summary

Unauthenticated Cross Site Scripting (XSS) in Spam protection, AntiSpam, FireWall by CleanTalk <= 6.82 versions.

References

	URL	Tags
	audit@patchstack.com	https://patchstack.com/database/wordpress/plugin/cleantalk-spam-protect/vulnerability/wordpress-spam-protection-antispam-firewall-by-cleantalk-plugin-6-82-cross-site-scripting-xss-vulnerability?_s_id=cve

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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      "affectedData": [
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          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected",
          "packageName": "cleantalk-spam-protect",
          "product": "Spam protection, AntiSpam, FireWall by CleanTalk",
          "vendor": "CleanTalk Inc",
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                  "status": "unaffected"
                }
              ],
              "lessThanOrEqual": "6.82",
              "status": "affected",
              "version": "n/a",
              "versionType": "custom"
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GHSA-789Q-JCMM-HM4C

Vulnerability from github – Published: 2026-07-28 00:31 – Updated: 2026-07-28 00:31

Details

Unauthenticated Cross Site Scripting (XSS) in Spam protection, AntiSpam, FireWall by CleanTalk <= 6.82 versions.

Severity

7.1 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-65437"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
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  },
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  "id": "GHSA-789q-jcmm-hm4c",
  "modified": "2026-07-28T00:31:03Z",
  "published": "2026-07-28T00:31:02Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-65437"
    },
    {
      "type": "WEB",
      "url": "https://patchstack.com/database/wordpress/plugin/cleantalk-spam-protect/vulnerability/wordpress-spam-protection-antispam-firewall-by-cleantalk-plugin-6-82-cross-site-scripting-xss-vulnerability?_s_id=cve"
    }
  ],
  "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:L",
      "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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-65437 (GCVE-0-2026-65437)

FKIE_CVE-2026-65437

GHSA-789Q-JCMM-HM4C

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour