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Fencer Intel
medium 6.1

CVE-2020-3758 json

Magento stored cross-site scripting vulnerability

published 6y ago modified 2mo ago also BIT-magento-2020-3758 , EUVD-2022-4689 , GHSA-p5q3-xg47-653m

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

Magento versions 2.3.3 and earlier, 2.2.10 and earlier, 1.14.4.3 and earlier, and 1.9.4.3 and earlier have a stored cross-site scripting vulnerability. Successful exploitation could lead to sensitive information disclosure.

Patch / fix

  • packagist magento/community-edition 2.2.11, 2.3.4
  • packagist magneto/core 1.9.4.4
  • bitnami magento 2.2.11, 2.3.4

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Exploit prediction

1.84% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
GitHub 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
OSV 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
packagist magento/community-edition
>=2.3.0, <2.3.4
<2.2.11
2.3.4
2.2.11
packagist magneto/core
<1.9.4.4
1.9.4.4
bitnami magento
>=2.2.0, <2.2.11
>=2.3.0, <2.3.4
2.2.11
2.3.4

Affected products

  • Adobe Magento

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel 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.