CVE-2020-15516
Cross-Site Request Forgery in mm_forum
The mm_forum extension through 1.9.5 for TYPO3 allows XSS that can be exploited via CSRF.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
5.4
The mm_forum extension through 1.9.5 for TYPO3 allows XSS that can be exploited via CSRF.
- Record
CVE-2020-15516- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - CVSS 2.0
- 5.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:N - Weakness
- CWE-79, CWE-352
- Updated
- 2026-11-02
CVE List No score
The mm_forum extension through 1.9.5 for TYPO3 allows XSS that can be exploited via CSRF.
- Record
CVE-2020-15516- Updated
- 2026-11-02
EUVDEUVD-2020-7505 No score
The mm_forum extension through 1.9.5 for TYPO3 allows XSS that can be exploited via CSRF.
- Record
EUVD-2020-7505- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r67m-52qx-gfgc
5.4
Cross-Site Request Forgery in mm_forum
The mm_forum extension through 1.9.5 for TYPO3 allows XSS that can be exploited via CSRF.
- Record
GHSA-r67m-52qx-gfgc- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N - Weakness
- CWE-79, CWE-352
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-15516 is a medium vulnerability (CVSS 5.4) in Mm Forum Project Forum, published July 7, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.37%, the 30th percentile. No source names a fixed version.