CVE-2026-34686

HIGH
Published May 12, 2026 Modified May 13, 2026 CWE-79

Description

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 low-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, potentially gaining elevated access or control over the victim's account or session. Scope is changed.

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CVSS v3.1 Score

8.7
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N

EPSS — Exploit Prediction

0.0001
Probability of exploitation
0.02%
Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor Product
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe commerce_b2b
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento
adobe magento

References

Frequently Asked Questions

What is CVE-2026-34686? +
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 low-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, potentially gaining elevated access or control over the victim's account or session. Scope is changed. It has a CVSS v3.1 base score of 8.7 (HIGH).
How severe is CVE-2026-34686? +
CVE-2026-34686 has a CVSS v3.1 score of 8.7 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0001, placing it in the 0th percentile for exploitation probability.
What products are affected by CVE-2026-34686? +
CVE-2026-34686 affects products from adobe, specifically: commerce, commerce_b2b, magento. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2026-34686? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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