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FKIE_CVE-2021-36851

Vulnerability from fkie_nvd - Published: 2022-04-04 20:15 - Updated: 2026-06-17 03:59
Severity
4.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Summary
Authenticated (editor or higher user role) Cross-Site Scripting (XSS) vulnerability in Web-Settler Testimonial Slider – Free Testimonials Slider Plugin (WordPress plugin) via parameters mpsp_posts_bg_color, mpsp_posts_description_color, mpsp_slide_nav_button_color.
References
audit@patchstack.comhttps://patchstack.com/database/vulnerability/testimonial-add/wordpress-testimonial-slider-plugin-3-5-8-3-cross-site-scripting-xss-vulnerabilityThird Party Advisory
audit@patchstack.comhttps://wordpress.org/plugins/testimonial-add/#developersRelease Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://patchstack.com/database/vulnerability/testimonial-add/wordpress-testimonial-slider-plugin-3-5-8-3-cross-site-scripting-xss-vulnerabilityThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://wordpress.org/plugins/testimonial-add/#developersRelease Notes, Third Party Advisory
Impacted products
Vendor Product Version
web-settler testimonial_slider *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Testimonial Slider \u2013 Free Testimonials Slider Plugin (WordPress plugin)",
          "vendor": "Web-Settler",
          "versions": [
            {
              "lessThanOrEqual": "3.5.8.3",
              "status": "affected",
              "version": "\u003c= 3.5.8.3",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "audit@patchstack.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:web-settler:testimonial_slider:*:*:*:*:*:wordpress:*:*",
              "matchCriteriaId": "A321D0AE-406C-4D4A-ACD4-BDA5BED4171A",
              "versionEndIncluding": "3.5.8.3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Authenticated (editor or higher user role) Cross-Site Scripting (XSS) vulnerability in Web-Settler Testimonial Slider \u2013 Free Testimonials Slider Plugin (WordPress plugin) via parameters mpsp_posts_bg_color, mpsp_posts_description_color, mpsp_slide_nav_button_color."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de tipo Cross-Site Scripting (XSS) Autenticada (rol de editor o usuario superior) en Web-Settler Testimonial Slider - Free Testimonials Slider Plugin (plugin de WordPress) por medio de los par\u00e1metros mpsp_posts_bg_color, mpsp_posts_description_color, mpsp_slide_nav_button_color"
    }
  ],
  "id": "CVE-2021-36851",
  "lastModified": "2026-06-17T03:59:31.277",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "NONE",
          "baseScore": 3.5,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 6.8,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 1.4,
        "source": "audit@patchstack.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-36851",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-02-20T19:32:16.951644Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2022-04-04T20:15:09.487",
  "references": [
    {
      "source": "audit@patchstack.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://patchstack.com/database/vulnerability/testimonial-add/wordpress-testimonial-slider-plugin-3-5-8-3-cross-site-scripting-xss-vulnerability"
    },
    {
      "source": "audit@patchstack.com",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://wordpress.org/plugins/testimonial-add/#developers"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://patchstack.com/database/vulnerability/testimonial-add/wordpress-testimonial-slider-plugin-3-5-8-3-cross-site-scripting-xss-vulnerability"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes",
        "Third Party Advisory"
      ],
      "url": "https://wordpress.org/plugins/testimonial-add/#developers"
    }
  ],
  "sourceIdentifier": "audit@patchstack.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "audit@patchstack.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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