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Fencer Vulns
medium 5.3

CVE-2020-15513 json

Incorrect access control in typo3_forum

published 2020-07-07 6 y ago modified 2026-06-17 4 mo ago also GHSA-57gr-jvqr-3hwm , EUVD-2020-0536

cvss
5.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 58%
public exploits
0
none known

Summary

The typo3_forum extension before 1.2.1 for TYPO3 has Incorrect Access Control.

Patch / fix

  • packagist mittwald/typo3_forum 1.2.1
  • mittwald typo3_forum 1.2.1

Exploit prediction

0.85% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N
GitHub 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist mittwald/typo3_forum
<1.2.1
1.2.1

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.