Vulnerability-Lookup

FKIE_CVE-2026-39693

Vulnerability from fkie_nvd - Published: 2026-04-08 09:16 - Updated: 2026-04-08 21:26

Severity ?

Summary

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in fesomia FSM Custom Featured Image Caption fsm-custom-featured-image-caption allows DOM-Based XSS.This issue affects FSM Custom Featured Image Caption: from n/a through <= 1.25.1.

References

	URL	Tags
	audit@patchstack.com	https://patchstack.com/database/Wordpress/Plugin/fsm-custom-featured-image-caption/vulnerability/wordpress-fsm-custom-featured-image-caption-plugin-1-25-1-cross-site-scripting-xss-vulnerability?_s_id=cve

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) vulnerability in fesomia FSM Custom Featured Image Caption fsm-custom-featured-image-caption allows DOM-Based XSS.This issue affects FSM Custom Featured Image Caption: from n/a through \u003c= 1.25.1."
    }
  ],
  "id": "CVE-2026-39693",
  "lastModified": "2026-04-08T21:26:13.410",
  "metrics": {},
  "published": "2026-04-08T09:16:41.647",
  "references": [
    {
      "source": "audit@patchstack.com",
      "url": "https://patchstack.com/database/Wordpress/Plugin/fsm-custom-featured-image-caption/vulnerability/wordpress-fsm-custom-featured-image-caption-plugin-1-25-1-cross-site-scripting-xss-vulnerability?_s_id=cve"
    }
  ],
  "sourceIdentifier": "audit@patchstack.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "audit@patchstack.com",
      "type": "Primary"
    }
  ]
}

CVE-2026-39693 (GCVE-0-2026-39693)

Vulnerability from cvelistv5 – Published: 2026-04-08 08:30 – Updated: 2026-04-08 08:30

Title

WordPress FSM Custom Featured Image Caption plugin <= 1.25.1 - Cross Site Scripting (XSS) vulnerability

Summary

Severity ?

No CVSS data available.

CWE

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

Assigner

Patchstack

References

URL

Tags

https://patchstack.com/database/Wordpress/Plugin/…

vdb-entry

Impacted products

	Vendor	Product	Version
	fesomia	FSM Custom Featured Image Caption	Affected: 0 , ≤ 1.25.1 (custom)

Date Public ?

2026-04-08 10:28

Credits

Nabil Irawan | Patchstack Bug Bounty Program

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected",
          "packageName": "fsm-custom-featured-image-caption",
          "product": "FSM Custom Featured Image Caption",
          "vendor": "fesomia",
          "versions": [
            {
              "lessThanOrEqual": "1.25.1",
              "status": "affected",
              "version": "0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Nabil Irawan | Patchstack Bug Bounty Program"
        }
      ],
      "datePublic": "2026-04-08T10:28:43.963Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) vulnerability in fesomia FSM Custom Featured Image Caption fsm-custom-featured-image-caption allows DOM-Based XSS.\u003cp\u003eThis issue affects FSM Custom Featured Image Caption: from n/a through \u003c= 1.25.1.\u003c/p\u003e"
            }
          ],
          "value": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027) vulnerability in fesomia FSM Custom Featured Image Caption fsm-custom-featured-image-caption allows DOM-Based XSS.This issue affects FSM Custom Featured Image Caption: from n/a through \u003c= 1.25.1."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-588",
          "descriptions": [
            {
              "lang": "en",
              "value": "DOM-Based XSS"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-08T08:30:45.404Z",
        "orgId": "21595511-bba5-4825-b968-b78d1f9984a3",
        "shortName": "Patchstack"
      },
      "references": [
        {
          "tags": [
            "vdb-entry"
          ],
          "url": "https://patchstack.com/database/Wordpress/Plugin/fsm-custom-featured-image-caption/vulnerability/wordpress-fsm-custom-featured-image-caption-plugin-1-25-1-cross-site-scripting-xss-vulnerability?_s_id=cve"
        }
      ],
      "title": "WordPress FSM Custom Featured Image Caption plugin \u003c= 1.25.1 - Cross Site Scripting (XSS) vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3",
    "assignerShortName": "Patchstack",
    "cveId": "CVE-2026-39693",
    "datePublished": "2026-04-08T08:30:45.404Z",
    "dateReserved": "2026-04-07T10:58:16.464Z",
    "dateUpdated": "2026-04-08T08:30:45.404Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date

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.

Action not permitted

FKIE_CVE-2026-39693

CVE-2026-39693 (GCVE-0-2026-39693)

Tags

Sightings

Nomenclature