Public vulnerability disclosure

CVE-2026-124916

PrestaShop Performance Debug Configuration PHP Code Injection

publishedCWE-94CWE-79

PrestaShop contains an authenticated PHP code injection vulnerability in the back-office Performance debug-mode configuration. A back-office user with permission to modify debug settings can supply a crafted `debug_cookie_name` or `debug_cookie_value` that is written without sufficient escaping into a PHP configuration file. When PrestaShop subsequently loads the generated file, the injected PHP code is executed with the privileges of the web-server process.

Technical severity5.4 mediumCVSS 3.1 · ADP: CISA-ADP
Published2026-11-09Source updated 2026-11-09
Collected2026-11-091 attributed source

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
PrestaShop
PrestaShop
≥ 1.5.0.0; < 9.2.1 (affected, custom) CNA: certcc

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
3.1 / 5.4
medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NADP: CISA-ADP

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

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