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Fencer Vulns
medium 6.5

CVE-2021-39864 json

Adobe Commerce Cross-Site Request Forgery (CSRF) Could Lead To Unauthorized Cart Addition

published 2021-10-15 5 y ago modified 2026-06-17 4 mo ago also GHSA-94wq-87g6-8h77 , EUVD-2021-26221

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

Adobe Commerce versions 2.4.2-p2 (and earlier), 2.4.3 (and earlier) and 2.3.7p1 (and earlier) are affected by a cross-site request forgery (CSRF) vulnerability via a Wishlist Share Link. Successful exploitation could lead to unauthorized addition to customer cart by an unauthenticated attacker. Access to the admin console is not required for successful exploitation.

Patch / fix

  • packagist magento/community-edition 2.3.7-p2

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
18 mo ago

Exploit prediction

1.62% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected packages

ecosystem package affected fixed in
packagist magento/community-edition
>=2.4.2-p1, <=2.4.2-p2
1 listed version
<2.3.7-p2
2.3.7-p2
packagist magento/project-community-edition
<=2.0.2
no fix listed

Affected products

  • Adobe Magento Commerce

Classification

Weakness
  • CWE-352 Cross-Site Request Forgery

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.