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CVE-2026-21311: adobe adobe commerce Cross-site Scripting

CVSS: 8.0v3.1HighAnalyzed
Published 11-03-2026Last modified 27-08-2026
Open JSON

Vulnerability summary

CVE-2026-21311 is a high (CVSS 8.0) Cross-site Scripting vulnerability in adobe adobe commerce. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.3% of scored vulnerabilities.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.0/10
010
High · v3.1 (CVE.org)
EPSS score
0.31%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-03-2026
    PublishedVulnerability first disclosed.
  2. 27-08-2026
    Last modifiedVulnerability information updated.

Description

Adobe Commerce versions 2.4.9-alpha3, 2.4.8-p3, 2.4.7-p8, 2.4.6-p13, 2.4.5-p15, 2.4.4-p16 and earlier are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a high-privileged attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim’s browser when they browse to the page containing the vulnerable field. A successful attacker can abuse this to achieve session takeover, increasing the confidentiality, and integrity impact to high. Exploitation of this issue requires user interaction in that a victim must browse to the page containing the vulnerable field.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.31%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

0.00 pp

From 0.30% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.31%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Adobe6 products
  • adobe commerce≤ 2.4.9-alpha3, 2.4.8-p3, 2.4.7-p8, 2.4.6-p13, 2.4.5-p15, 2.4.4-p16
  • adobe commerce b2b≤ 1.5.3-alpha3, 1.5.2-p3, 1.4.2-p8, 1.3.5-p13, 1.3.4-p15, 1.3.3-p16
  • commerce< 2.4.4 | 2.4.4 | 2.4.4:p1 | 2.4.4:p10 | 2.4.4:p11 | 2.4.4:p12 | 2.4.4:p13 | 2.4.4:p14 | 2.4.4:p15 | 2.4.4:p16 | 2.4.4:p2 | 2.4.4:p3 | 2.4.4:p4 | 2.4.4:p5 | 2.4.4:p6 | 2.4.4:p7 | 2.4.4:p8 | 2.4.4:p9 | 2.4.5 | 2.4.5:p1 | 2.4.5:p10 | 2.4.5:p11 | 2.4.5:p12 | 2.4.5:p13 | 2.4.5:p14 | 2.4.5:p15 | 2.4.5:p2 | 2.4.5:p3 | 2.4.5:p4 | 2.4.5:p5 | 2.4.5:p6 | 2.4.5:p7 | 2.4.5:p8 | 2.4.5:p9 | 2.4.6 | 2.4.6:p1 | 2.4.6:p10 | 2.4.6:p11 | 2.4.6:p12 | 2.4.6:p13 | 2.4.6:p2 | 2.4.6:p3 | 2.4.6:p4 | 2.4.6:p5 | 2.4.6:p6 | 2.4.6:p7 | 2.4.6:p8 | 2.4.6:p9 | 2.4.7 | 2.4.7:b1 | 2.4.7:b2 | 2.4.7:beta3 | 2.4.7:p1 | 2.4.7:p2 | 2.4.7:p3 | 2.4.7:p4 | 2.4.7:p5 | 2.4.7:p6 | 2.4.7:p7 | 2.4.7:p8 | 2.4.8 | 2.4.8:beta1 | 2.4.8:beta2 | 2.4.8:p1 | 2.4.8:p2 | 2.4.8:p3 | 2.4.9:alpha1 | 2.4.9:alpha2 | 2.4.9:alpha3
  • commerce_b2b< 1.3.3 | 1.3.3 | 1.3.3:p1 | 1.3.3:p10 | 1.3.3:p11 | 1.3.3:p12 | 1.3.3:p13 | 1.3.3:p14 | 1.3.3:p15 | 1.3.3:p16 | 1.3.3:p2 | 1.3.3:p3 | 1.3.3:p4 | 1.3.3:p5 | 1.3.3:p6 | 1.3.3:p7 | 1.3.3:p8 | 1.3.3:p9 | 1.3.4 | 1.3.4:p1 | 1.3.4:p10 | 1.3.4:p11 | 1.3.4:p12 | 1.3.4:p13 | 1.3.4:p14 | 1.3.4:p15 | 1.3.4:p2 | 1.3.4:p3 | 1.3.4:p4 | 1.3.4:p5 | 1.3.4:p6 | 1.3.4:p7 | 1.3.4:p8 | 1.3.4:p9 | 1.3.5 | 1.3.5:p1 | 1.3.5:p10 | 1.3.5:p11 | 1.3.5:p12 | 1.3.5:p13 | 1.3.5:p2 | 1.3.5:p3 | 1.3.5:p4 | 1.3.5:p5 | 1.3.5:p6 | 1.3.5:p7 | 1.3.5:p8 | 1.3.5:p9 | 1.4.2 | 1.4.2:p1 | 1.4.2:p2 | 1.4.2:p3 | 1.4.2:p4 | 1.4.2:p5 | 1.4.2:p6 | 1.4.2:p7 | 1.4.2:p8 | 1.5.2 | 1.5.2:p1 | 1.5.2:p2 | 1.5.2:p3 | 1.5.3:alpha1 | 1.5.3:alpha2 | 1.5.3:alpha3
  • magento< 2.4.5 | 2.4.5 | 2.4.5:p1 | 2.4.5:p10 | 2.4.5:p11 | 2.4.5:p12 | 2.4.5:p13 | 2.4.5:p14 | 2.4.5:p15 | 2.4.5:p2 | 2.4.5:p3 | 2.4.5:p4 | 2.4.5:p5 | 2.4.5:p6 | 2.4.5:p7 | 2.4.5:p8 | 2.4.5:p9 | 2.4.6 | 2.4.6:p1 | 2.4.6:p10 | 2.4.6:p11 | 2.4.6:p12 | 2.4.6:p13 | 2.4.6:p2 | 2.4.6:p3 | 2.4.6:p4 | 2.4.6:p5 | 2.4.6:p6 | 2.4.6:p7 | 2.4.6:p8 | 2.4.6:p9 | 2.4.7 | 2.4.7:b1 | 2.4.7:b2 | 2.4.7:beta3 | 2.4.7:p1 | 2.4.7:p2 | 2.4.7:p3 | 2.4.7:p4 | 2.4.7:p5 | 2.4.7:p6 | 2.4.7:p7 | 2.4.7:p8 | 2.4.8 | 2.4.8:beta1 | 2.4.8:beta2 | 2.4.8:p1 | 2.4.8:p2 | 2.4.8:p3 | 2.4.9:alpha3

1 vendor · 6 products

References

1 links