Elementor < 4.3.5 - Contributor+ Stored XSS via SVG CDATA Sanitizer Bypass
CVSS score
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EPSS probability
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Risk score
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Published
3 h ago
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Impact on My Inventory
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Vulnerability description
DayBreach AI Explanation
Verified against sourcesSources read
2
Source agreement
Tam uyum
Evidence confidence
%63
Short explanation
Elementor Website Builder versions prior to 4.3.5 fail to sanitize SVG text content, allowing users with Contributor role and above to store payloads. Execution is specific to Chromium-based browsers [S0].
The vulnerability matters because authenticated users with Contributor roles or higher can store a payload via SVG files that executes in the browser of any user viewing the page [S0].
What should be done?
- Update Elementor Website Builder [S0]
- Follow vendor advisories [S0]
Chain of evidence and sources
Elementor Website Builder eklentisinin 4.3.5 öncesi sürümleri SVG metin içeriğini temizlemez.
Açık, Contributor ve üzeri rollerin SVG içinde yük saklamasına izin verir.
Yürütme işlemi Chromium tabanlı tarayıcılara özeldir ve Firefox etkilenmez.
Show the technical text from the sources
The Elementor Website Builder WordPress plugin before 4.3.5 does not sanitize the text content of SVG files, checking only their elements and attributes, allowing users with the Contributor role and above to store a payload which breaks out when the SVG is rendered inline in a page and executes in the browser of any user viewing it. Execution is specific to Chromium-based browsers; Firefox is not affected.
This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-81813 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | Unknown | Elementor Website Builder | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| The sources have not yet published a verified CVSS metric. | ||||
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-81813 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-81813 weaknesses.
Official Sources and Advisories
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