Critical 9.3 CVSS 3.1 Core Published on 2026-05-14

CWE-79: Stored XSS executable in customer service view

CVECVE-2026-44212 GHSAGHSA-w9f3-qc75-qgx9
View at the source View JSON Last modified at the source: 2026-06-17

Description

CWE-79: Stored XSS executable in customer service view

Impact

This is a stored Cross-Site Scripting (XSS) vulnerability in the PrestaShop back-office Customer Service view.

An unauthenticated attacker can submit the public Contact Us form with a malicious email address. The payload is stored in the database and executed when a back-office employee opens the affected customer thread, enabling session hijacking and full back-office takeover.

Patches

Patched in PrestaShop 8.2.6 and 9.1.1

Workarounds

none

References

  • Reported by Savio at Doyensec (anthropic@doyensec.com) in collaboration with Anthropic Research

Original text by NVD (NIST), public domain.

CVSS metrics 3.1

Source: security-advisories@github.com · secondary
Critical 9.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Attack vectorNetwork
ComplexityLow
Privileges requiredNone
User interactionRequired
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone

References

Found a vulnerability?

Write to the PrestaShop core security team:

security-core@prestashop.com

Related advisories

Same component: PrestaShop core
All core advisories (94)
IDAdvisoryComponentSeverityAffected versionsPublishedFix
GHSA-whxq-pxj5-qq7v SQL injection through back-office list filters Core Medium 6.5 ≥ 9.0.0 < 9.1.5
≥ 8.0.0 < 8.2.8
2026-08-18 Yes
GHSA-2cr4-vw9p-pjvf Client IP address can be spoofed through the X-Forwarded-For header Core High 7.3 ≥ 9.0.0 < 9.1.5
≥ 8.0.0 < 8.2.8
2026-08-18 Yes

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