Calgary, Alberta, Canada
sales@hackhalt.com
Free Download Free Download Free Download
Explore Pricing Explore Pricing Explore Pricing

Blog

"Prevention is cheaper than a breach"

Home / Threats / CVE-2021-36849

CVE-2021-36849 - Mashsharer Plugin

CVE-2021-36849

Vulnerability CVE-2021-36849 PLUGIN mashsharer LOW

Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in René Hermenau's Social Media Share Buttons plugin

CVE-2021-36849

LOW CVSS 3.4 Published 2022-07-20 Updated 2024-11-21
AI Risk Low (29/100) Active Exploit: No strong signal Published Exploit: No public exploit references Priority: P5 Monitor
Severity Band LOW
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:N
Affected Components 2
Reference Links 2
AI Risk Engine Low (29/100)
Exploitability Low
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2022-07-20 CVE published and first recorded in the threat feed.
  2. 2024-11-21 Record updated with latest vulnerability metadata.
  3. 2026-04-11 AI technical context refreshed for mitigation and impact guidance.
  4. Now Monitoring for follow-up changes, linked references, and new related CVEs.

AI Context

Machine-generated threat intelligence

AI Updated 5 days ago

AI enriched 5 days ago (2026-04-11 00:23 UTC)

Technical Summary

Authenticated (admin+) Stored Cross-Site Scripting (XSS) vulnerability in René Hermenau's Social Media Share Buttons plugin

Potential Impact

Severity is LOW (CVSS 3.4). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.

Exploitability Assessment

Exploitability is assessed as Low based on severity and technical exposure profile.

Primary risk drivers: severity and technical exposure profile

Mitigation Recommendations

Validate affected product versions, prioritize patching, and monitor references for vendor remediation guidance. If immediate patching is not possible, apply compensating controls and limit exposure of vulnerable surfaces.

Detection & Monitoring

Track authentication anomalies, unexpected file writes, and suspicious plugin API activity around affected components.

Business Impact Lens

AI risk score 29/100 (Low, Low) with priority P5 Monitor. Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

Affected Products

Mashsharer PLUGIN · mashsharer Affected range not specified Fixed version not specified
Social Media Share Buttons PLUGIN · social-media-share-buttons Affected: <= 3.8.1 Fixed version not specified
Scroll to top