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TI-2021-19261 Aliases CVE-2021-43265GHSA-q4jg-vc8f-32x5

In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, certain tag syntax could be used…

Priority LOW 25CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, certain tag syntax could be used for XSS, such as via a SCRIPT element.

Why it matters now

EPSS 0.00622 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:*20.04.0 to before 20.04.5; 20.10.0 to before 20.10.3; 21.04.0 to before 21.04.2VulnerableMahara
  • cpe:2.3:a:mahara:mahara:*:*:*:*:*:*:*:* Versions 20.04.0 to before 20.04.5; 20.10.0 to before 20.10.3; 21.04.0 to before 21.04.2 Vulnerable ·Mahara

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-43265
  2. 2026-10-03 Alias added: GHSA-q4jg-vc8f-32x5
  3. 2026-11-06 EPSS moved to the 50th–90th percentile

References

Exploit 1

Advisory 1

  • TI-2024-32112 An issue was discovered in Mahara 23.04.8 and 24.04.4. CVSS 3.1HIGH 8.8
  • TI-2022-21886 Mahara 21.04 before 21.04.7, 21.10 before 21.10.5, 22.04 before 22.04.3, and 22.10 before… CVSS 3.1CRITICAL 9.8
  • TI-2022-22209 Mahara 21.10 before 21.10.6, 22.04 before 22.04.4, and 22.10 before 22.10.1 deserializes… CVSS 3.1CRITICAL 9.8
  • TI-2024-26290 Supported versions of Mahara 24.04 before 24.04.1 and 23.04 before 23.04.6 are vulnerable… CVSS 3.1CRITICAL 9.1
  • TI-2021-17772 In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, the account associated with a… CVSS 3.1CRITICAL 9.8
  • TI-2017-14488 Mahara 15.04 before 15.04.8 and 15.10 before 15.10.4 and 16.04 before 16.04.2 are… CVSS 3.0CRITICAL 9.8
See all 107 →

Sources

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