Sina Extension For ElementorWordPress extension · Sinaextra

CVE-2021-24269

MEDIUM · 5.4 CVSS v3.1 Published 2021-05-05
Fix available
A fix is available. Upgrade to 3.3.12 or later.
See remediation →
58/100
Remediation priority · Elevated
Remotely reachable

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
The “Sina Extension for Elementor” WordPress Plugin before 3.3.12 has several widgets that are vulnerable to stored Cross-Site Scripting (XSS) by lower-privileged users such as contributors, all via a similar method.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · high confidence

The Sina Extension for Elementor plugin versions before 3.3.12 contain multiple widgets vulnerable to stored XSS. Lower-privileged users (contributors) can inject malicious JavaScript through several widgets via a similar exploitation method, which executes when other users view the compromised content.

MitigationUpdate the Sina Extension for Elementor plugin to version 3.3.12 or later to patch the XSS vulnerability. Review existing content created with the plugin for any malicious scripts that may have been injected.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
Sina Extension For ElementorWordPress extension
Affected:< 3.3.12

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Verify Sina Extension for Elementor is installed
    Navigate to WordPress admin > Plugins and look for 'Sinaextra Sina Extension For Elementor' or check the plugins directory via file system
    Affected if The plugin is present in the WordPress installation
  2. Check the installed plugin version
    In WordPress admin > Plugins, find the Sina Extension plugin and note the version number displayed, or read the main plugin file header for the Version field
    Affected if The version number is less than 3.3.12
  3. Identify content using Sina Extension widgets
    Search post/page content in the database or use Elementor editor to review pages where Sina widgets were used; check the wp_posts table for entries containing 'sina' or 'elementor' in custom fields or content
    Affected if Content exists that utilizes Sina Extension widgets
  4. Inspect content for suspicious script injections
    Examine pages using Sina widgets for unexpected script tags, event handlers (onload, onerror, onmouseover), or foreign JavaScript URLs in text fields, buttons, or widget settings
    Affected if Malicious JavaScript or script tags are found in content created with the plugin

The environment is affected if the Sina Extension for Elementor plugin version is below 3.3.12 and any content created with its widgets exists in the site, as lower-privileged users could have injected stored XSS payloads.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Upgrade available Upgrade to 3.3.12 or later
Fixed in 3.3.12
Interim mitigation

Update the Sina Extension for Elementor plugin to version 3.3.12 or later to patch the XSS vulnerability. Review existing content created with the plugin for any malicious scripts that may have been injected.

Fix this in Sina Extension For Elementor Scoped from the published advisory
  • Consultation1.0 h
  • Implementation0.5 h
  • Testing1.0 h
  • Review / QA0.5 h
3.0 hours of engineering $750
Get the upgrade done

An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,200.

Scan for this in your stack

Free · runs locally
dbcve dependency scanner

Check whether your project pulls in CVE-2021-24269 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.

References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2021-24269 in production — separate from our analysis above.

No notes yet

Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.

What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data