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TI-2021-09250 Aliases CVE-2021-27915GHSA-2rc5-2755-v422

XSS Cross-site Scripting Stored (XSS) - Description field

Priority MEDIUM 42CWE-80Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-80.

Summary

Prior to the patched version, there is an XSS vulnerability in the description fields within the Mautic application which could be exploited by a logged in user of Mautic with the appropriate permissions. This could lead to the user having elevated access to the system.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0062 49th percentileScored 2026-11-07
Fix Fixed mautic/core (Packagist): 4.4.12

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MauticMautic>= 1.0.0-beta2 – <= 4.4.11—No fix listedCNA
—mautic/core (Packagist)1.0.0-beta2 to before 4.4.124.4.12Patch availableGHSA-2rc5-2755-v422
  • Mautic VendorMautic Affected >= 1.0.0-beta2 – <= 4.4.11 Fixed in — No fix listed CNA
  • mautic/core (Packagist) Vendor— Affected 1.0.0-beta2 to before 4.4.12 Fixed in 4.4.12 Patch available GHSA-2rc5-2755-v422

CPE configurations NVD · 9

CPEVersionsRoleVendor
cpe:2.3:a:acquia:mautic:*:*:*:*:*:*:*:*1.0.0 to before 4.4.12VulnerableAcquia
cpe:2.3:a:acquia:mautic:1.0.0:-:*:*:*:*:*:*1.0.0VulnerableAcquia
cpe:2.3:a:acquia:mautic:1.0.0:beta2:*:*:*:*:*:*1.0.0 beta2VulnerableAcquia
cpe:2.3:a:acquia:mautic:1.0.0:beta3:*:*:*:*:*:*1.0.0 beta3VulnerableAcquia
cpe:2.3:a:acquia:mautic:1.0.0:beta4:*:*:*:*:*:*1.0.0 beta4VulnerableAcquia
cpe:2.3:a:acquia:mautic:1.0.0:rc1:*:*:*:*:*:*1.0.0 rc1VulnerableAcquia
cpe:2.3:a:acquia:mautic:1.0.0:rc2:*:*:*:*:*:*1.0.0 rc2VulnerableAcquia
cpe:2.3:a:acquia:mautic:1.0.0:rc3:*:*:*:*:*:*1.0.0 rc3VulnerableAcquia
cpe:2.3:a:acquia:mautic:1.0.0:rc4:*:*:*:*:*:*1.0.0 rc4VulnerableAcquia
  • cpe:2.3:a:acquia:mautic:*:*:*:*:*:*:*:* Versions 1.0.0 to before 4.4.12 Vulnerable ·Acquia
  • cpe:2.3:a:acquia:mautic:1.0.0:-:*:*:*:*:*:* Versions 1.0.0 Vulnerable ·Acquia
  • cpe:2.3:a:acquia:mautic:1.0.0:beta2:*:*:*:*:*:* Versions 1.0.0 beta2 Vulnerable ·Acquia
  • cpe:2.3:a:acquia:mautic:1.0.0:beta3:*:*:*:*:*:* Versions 1.0.0 beta3 Vulnerable ·Acquia
  • cpe:2.3:a:acquia:mautic:1.0.0:beta4:*:*:*:*:*:* Versions 1.0.0 beta4 Vulnerable ·Acquia
  • cpe:2.3:a:acquia:mautic:1.0.0:rc1:*:*:*:*:*:* Versions 1.0.0 rc1 Vulnerable ·Acquia
  • cpe:2.3:a:acquia:mautic:1.0.0:rc2:*:*:*:*:*:* Versions 1.0.0 rc2 Vulnerable ·Acquia
  • cpe:2.3:a:acquia:mautic:1.0.0:rc3:*:*:*:*:*:* Versions 1.0.0 rc3 Vulnerable ·Acquia
  • cpe:2.3:a:acquia:mautic:1.0.0:rc4:*:*:*:*:*:* Versions 1.0.0 rc4 Vulnerable ·Acquia

Remediation

  • Fix · GHSA-2rc5-2755-v422 mautic/core (Packagist) Fixed in 4.4.12 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-27915
  2. 2026-10-03 Alias added: GHSA-2rc5-2755-v422

References

Advisory 2

Other 2

  • TI-2022-09344 Cross-site scripting in Mautic CVSS 3.1CRITICAL 9.6
  • TI-2024-02543 Predictable Page Indexing Might Lead to Sensitive Data Exposure in Mautic CVSS 3.1MEDIUM 5.3
  • TI-2024-02544 Improper Access Control Issues Lead to Sensitive Data Exposure in Mautic CVSS 3.1MEDIUM 5.4
  • TI-2024-03218 Improper Access Control Leads to Server-Side Request Forgery in Mautic CVSS 3.1MEDIUM 5.0
  • TI-2024-31435 Remote Code Execution & File Deletion in Asset Uploads CVSS 3.1CRITICAL 9.9
  • TI-2018-05847 Mautic before 2.13.0 allows CSV injection. CVSS 3.0CRITICAL 9.8
See all 48 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences