CVE-2021-39864Network attack vector

Unauthorized cart modification via wishlist CSRF

Published Oct 15, 2021 · Updated Apr 23, 2025

CSRF in Adobe Commerce 2.4.2-p2 and earlier, 2.4.3 and earlier, and 2.3.7-p1 and earlier allows remote attackers to add items to carts. Adobe identifies the Wishlist Share Link as the affected locus but has not disclosed which request-validation operation fails. Exploitation requires user interaction with a crafted link but no credentials or administrative access, and the reported consequence is limited to unauthorized cart modification.

CVSS severity6.5
Medium
EPSS probability1.62%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

CSRF in Adobe Commerce 2.4.2-p2 and earlier, 2.4.3 and earlier, and 2.3.7-p1 and earlier allows remote attackers to add items to carts. Adobe identifies the Wishlist Share Link as the affected locus but has not disclosed which request-validation operation fails. Exploitation requires user interaction with a crafted link but no credentials or administrative access, and the reported consequence is limited to unauthorized cart modification.

The record

CVE
CVE-2021-39864
Published
Oct 15, 2021
Updated
Apr 23, 2025
Vendor
Adobe
Product
Adobe Commerce
Classifications
CWE-352
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Oct 15, 2021CVE publishedPublication date reported by the CVE source.
  2. Apr 23, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <=2.3.7-p1
  2. Affected versionversion=unspecified <=2.4.2-p2
  3. Affected versionversion=unspecified <=2.4.3
  4. Affected versionversion=unspecified <=None

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Adobe · Adobe Commerceversion=unspecified <=2.3.7-p1; version=unspecified <=2.4.2-p2; version=unspecified <=2.4.3; version=unspecified <=None

Published CVSS scores

6.5AdobeCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
4.3NIST NVDAV:N/AC:M/Au:N/C:N/I:P/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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