CVE-2021-36843 (GCVE-0-2021-36843)
Vulnerability from cvelistv5 – Published: 2021-11-26 16:35 – Updated: 2026-04-28 16:07
VLAI
EPSS
VEX
Title
WordPress Floating Social Media Icon plugin <= 4.3.5 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability
Summary
Authenticated Stored Cross-Site Scripting (XSS) vulnerability discovered in WordPress Floating Social Media Icon plugin (versions <= 4.3.5) Social Media Configuration form. Requires high role user like admin.
Severity
4.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-28 16:45 UTC
CWE
- CWE-79 - Cross-site Scripting (XSS)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://wordpress.org/plugins/floating-social-med… | x_refsource_CONFIRM |
| https://patchstack.com/database/vulnerability/flo… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Acurax Technologies | Floating Social Media Icon (WordPress plugin) |
Affected:
<= 4.3.5 , ≤ 4.3.5
(custom)
|
guessed |
Date Public
2021-10-27 00:00
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"TITLE": "WordPress Floating Social Media Icon plugin \u003c= 4.3.5 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability"
},
"affects": {
"vendor": {
"vendor_data": [
{
"product": {
"product_data": [
{
"product_name": "Floating Social Media Icon (WordPress plugin)",
"version": {
"version_data": [
{
"version_affected": "\u003c=",
"version_name": "\u003c= 4.3.5",
"version_value": "4.3.5"
}
]
}
}
]
},
"vendor_name": "Acurax Technologies"
}
]
}
},
"credit": [
{
"lang": "eng",
"value": "Vulnerability discovered by Asif Nawaz Minhas (Patchstack Red Team project)"
}
],
"data_format": "MITRE",
"data_type": "CVE",
"data_version": "4.0",
"description": {
"description_data": [
{
"lang": "eng",
"value": "Authenticated Stored Cross-Site Scripting (XSS) vulnerability discovered in WordPress Floating Social Media Icon plugin (versions \u003c= 4.3.5) Social Media Configuration form. Requires high role user like admin."
}
]
},
"generator": {
"engine": "Vulnogram 0.0.9"
},
"impact": {
"cvss": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "HIGH",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-79 Cross-site Scripting (XSS)"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://wordpress.org/plugins/floating-social-media-icon/",
"refsource": "CONFIRM",
"url": "https://wordpress.org/plugins/floating-social-media-icon/"
},
{
"name": "https://patchstack.com/database/vulnerability/floating-social-media-icon/wordpress-floating-social-media-icon-plugin-4-3-5-authenticated-stored-cross-site-scripting-xss-vulnerability",
"refsource": "MISC",
"url": "https://patchstack.com/database/vulnerability/floating-social-media-icon/wordpress-floating-social-media-icon-plugin-4-3-5-authenticated-stored-cross-site-scripting-xss-vulnerability"
}
]
},
"source": {
"discovery": "EXTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3",
"assignerShortName": "Patchstack",
"cveId": "CVE-2021-36843",
"datePublished": "2021-11-26T16:35:15.471Z",
"dateReserved": "2021-07-19T00:00:00.000Z",
"dateUpdated": "2025-03-28T16:45:38.640Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
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.
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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.
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.
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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.
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