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TI-2020-12217 Aliases CVE-2020-15516GHSA-r67m-52qx-gfgc

The mm_forum extension through 1.9.5 for TYPO3 allows XSS that can be exploited via CSRF.

Priority LOW 25CWE-352Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Tampering, 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-352 and CWE-79.

Summary

The mm_forum extension through 1.9.5 for TYPO3 allows XSS that can be exploited via CSRF.

Why it matters now

EPSS 0.00367 30th percentileScored 2026-11-07
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:mm_forum_project:mm_forum:*:*:*:*:*:typo3:*:*up to 1.9.5VulnerableMm Forum Project
  • cpe:2.3:a:mm_forum_project:mm_forum:*:*:*:*:*:typo3:*:* Versions up to 1.9.5 Vulnerable ·Mm Forum Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-15516
  2. 2026-10-03 Alias added: GHSA-r67m-52qx-gfgc

References

Advisory 2

  • TI-2014-05179 Unrestricted file upload vulnerability in the mm_forum extension before 1.9.3 for TYPO3… CVSS 2.0HIGH 7.5
  • TI-2014-05180 Cross-site request forgery (CSRF) vulnerability in the mm_forum extension before 1.9.3… CVSS 2.0MEDIUM 6.8
  • TI-2014-05178 Cross-site scripting (XSS) vulnerability in the mm_forum extension before 1.9.3 for TYPO3… CVSS 2.0MEDIUM 4.3

Sources

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