Vulnerability-Lookup

CVE-2026-66457 (GCVE-0-2026-66457)

Vulnerability from cvelistv5 – Published: 2026-08-06 14:27 – Updated: 2026-09-22 07:29 X_Known Exploited Vulnerability X_Open Source

Previdian

Title

WordPress Events Manager plugin <= 7.4.2 - Cross Site Scripting (XSS) vulnerability

Summary

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Pixelite Events Manager events-manager allows Reflected XSS.This issue affects Events Manager: from n/a through 7.4.2.

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 2026-08-06 16:45 UTC

CWE

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

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
Pixelite	Events Manager	Affected: 0 , ≤ 7.4.2 (custom)	guessed

Date Public

2026-08-04 12:19

Credits

Mukhlis Amien | Patchstack Bug Bounty Program

Previdian

Known Exploited Vulnerability - GCVE BCP-07 Compliant

KEV entry ID: 4ab1e200-28ab-455a-8f7b-a4da9fa29a0e

Vulnerability ID: CVE-2026-66457

Status: Confirmed

Status Updated: 2026-09-22 07:50 UTC

Exploited: Yes

Timestamps

First Seen: 2026-09-22

Asserted: 2026-09-22

Scope

Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: previdian

Details

Feed	Previdian (previdian.com)
Title	WordPress Events Manager plugin <= 7.4.2 - Cross Site Scripting (XSS) vulnerability
Cve Id	CVE-2026-66457
Vendor	Pixelite
Ghsa Id	None
Product	Events Manager
Added Date	2026-09-22T07:50:38.771Z
Cvss Score	7.1
Epss Score	0.00186
Previous Ids
Cvss Severity	HIGH
Virtual Patch	False
Cvss Estimated	False
Epss Percentile	0.08406
Used In Malware	unknown
Vulnerability Id	CVE-2026-66457
Ahead Of Cisa Kev	None
Not Yet In Cisa Kev	True

References

Created: 2026-09-23 08:00 UTC | Updated: 2026-09-23 08:00 UTC

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-66457

Vulnerability from fkie_nvd - Published: 2026-08-06 15:17 - Updated: 2026-09-22 08:16

Previdian

Severity

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

Summary

References

	URL	Tags
	audit@patchstack.com	https://patchstack.com/database/wordpress/plugin/events-manager/vulnerability/wordpress-events-manager-plugin-7-4-1-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": "events-manager",
          "product": "Events Manager",
          "vendor": "Pixelite",
          "versions": [
            {
              "changes": [
                {
                  "at": "7.4.3",
                  "status": "unaffected"
                }
              ],
              "lessThanOrEqual": "7.4.2",
              "status": "affected",
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            }
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GHSA-C5HQ-CVJF-GGW4

Vulnerability from github – Published: 2026-08-06 15:32 – Updated: 2026-08-06 15:32

Details

Unauthenticated Cross Site Scripting (XSS) in Events Manager <= 7.4.1 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

{
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  ],
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    "github_reviewed_at": null,
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    "severity": "HIGH"
  },
  "details": "Unauthenticated Cross Site Scripting (XSS) in Events Manager \u003c= 7.4.1 versions.",
  "id": "GHSA-c5hq-cvjf-ggw4",
  "modified": "2026-08-06T15:32:47Z",
  "published": "2026-08-06T15:32:47Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-66457"
    },
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      "url": "https://patchstack.com/database/wordpress/plugin/events-manager/vulnerability/wordpress-events-manager-plugin-7-4-1-cross-site-scripting-xss-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: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.

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-2026-66457 (GCVE-0-2026-66457)

Previdian

Known Exploited Vulnerability - GCVE BCP-07 Compliant

Timestamps

Scope

Evidence

Public Report Successful Exploitation Confidence: 70% Source: previdian

Details

References

FKIE_CVE-2026-66457

GHSA-C5HQ-CVJF-GGW4

Tags

Sightings

Nomenclature

Related by attack behaviour