What is CVE-2026-34658?

CVE-2026-34658 is a medium-severity vulnerability in Adobe Commerce, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-05-12.

How severe is CVE-2026-34658?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Adobe Commerce

CVE-2026-34658

Adobe Commerce versions 2.4.9-beta1, 2.4.8-p4, 2.4.7-p9, 2.4.6-p14, 2.4.5-p16, 2.4.4-p17 and earlier are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a high-privileged attacker to inject malicious s…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (6.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Adobe Commerce — versions 0
Adobe Commerce — versions 2.4.4, 2.4.5, 2.4.6
Adobe Commerce_b2b — versions 1.3.3, 1.3.4, 1.4.2
Adobe Magento — versions 2.4.6, 2.4.7, 2.4.8

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

psirt@adobe.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-34658?: CVE-2026-34658 is a medium-severity vulnerability in Adobe Commerce, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-05-12.
How severe is CVE-2026-34658?: Medium severity. CVSS v3 base score is 4.8 out of 10.