PrestaShop has a time based enumeration in FO login form

PrestaShop is an open source e-commerce web application. Prior to 8.2.4 and 9.0.3, there is a time-based user enumeration vulnerability in the user authentication functionality of PrestaShop. This vulnerability allows an attacker to determine whether a customer account exists in the system by measuring response times. This vulnerability is fixed in 8.2.4 and 9.0.3.

Problem type

CWE-208: Observable Timing Discrepancy

Affected products

PrestaShop

PrestaShop

< 8.2.4 - AFFECTED

>= 9.0.0-alpha.1, < 9.0.3 - AFFECTED

References

https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-67v7-3g49-mxh2

https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-67v7-3g49-mxh2

x_refsource_CONFIRM

https://github.com/PrestaShop/PrestaShop/releases/tag/8.2.4

https://github.com/PrestaShop/PrestaShop/releases/tag/8.2.4

x_refsource_MISC

https://github.com/PrestaShop/PrestaShop/releases/tag/9.0.3

https://github.com/PrestaShop/PrestaShop/releases/tag/9.0.3

x_refsource_MISC

GitHub Security Advisories

GHSA-67v7-3g49-mxh2

PrestaShop affected by time based enumeration in FO login form

https://github.com/advisories/GHSA-67v7-3g49-mxh2

Impact

A time-based user enumeration vulnerability in the user authentication functionality of PrestaShop. This vulnerability allows an attacker to determine whether a customer account exists in the system by measuring response times.

Patches

8.2.4 and 9.0.3

Workarounds

none

References

Found by Lam Yiu Tung

github.com

https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-67v7-3g49-mxh2

github.com

https://github.com/PrestaShop/PrestaShop/releases/tag/8.2.4

github.com

https://github.com/PrestaShop/PrestaShop/releases/tag/9.0.3

nvd.nist.gov

https://nvd.nist.gov/vuln/detail/CVE-2026-25597

github.com

https://github.com/advisories/GHSA-67v7-3g49-mxh2

JSON source

https://cveawg.mitre.org/api/cve/CVE-2026-25597

Click to expand

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            "scope": "UNCHANGED",
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