Vulnerability Details : CVE-2021-28556
Magento versions 2.4.2 (and earlier), 2.4.1-p1 (and earlier) and 2.3.6-p1 (and earlier) are affected by a DOM-based Cross-Site Scripting vulnerability on mage-messages cookies. Successful exploitation could lead to arbitrary JavaScript execution by an unauthenticated attacker. User interaction is required for successful exploitation.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-28556
- Magento » Magento » Commerce EditionVersions from including (>=) 2.4.0 and up to, including, (<=) 2.4.2cpe:2.3:a:magento:magento:*:*:*:*:commerce:*:*:*
- cpe:2.3:a:magento:magento:*:*:*:*:commerce:*:*:*
- cpe:2.3:a:magento:magento:*:*:*:*:open_source:*:*:*
- Magento » Magento » Open Source EditionVersions from including (>=) 2.4.0 and up to, including, (<=) 2.4.2cpe:2.3:a:magento:magento:*:*:*:*:open_source:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-28556
39.70%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 97 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-28556
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:P/A:N |
6.8
|
2.9
|
NIST | |
|
4.8
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
1.7
|
2.7
|
NIST | |
|
6.9
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:N |
1.7
|
4.7
|
Adobe Systems Incorporated |
CWE ids for CVE-2021-28556
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: psirt@adobe.com (Primary)
References for CVE-2021-28556
-
https://helpx.adobe.com/security/products/magento/apsb21-30.html
Adobe Security BulletinVendor Advisory
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