GHSA-w9f3-qc75-qgx9

Source

https://github.com/advisories/GHSA-w9f3-qc75-qgx9

Import Source

https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-w9f3-qc75-qgx9/GHSA-w9f3-qc75-qgx9.json

JSON Data

https://api.osv.dev/v1/vulns/GHSA-w9f3-qc75-qgx9

Aliases

CVE-2026-44212

Published

2026-05-08T16:54:22Z

Modified

2026-05-08T17:05:09.967256Z

Severity

9.3 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N CVSS Calculator

Summary

PrestaShop has a stored XSS executable in customer service view

Details

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.

Resources

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

Database specific

{
    "github_reviewed": true,
    "github_reviewed_at": "2026-05-08T16:54:22Z",
    "cwe_ids": [
        "CWE-79"
    ],
    "severity": "CRITICAL",
    "nvd_published_at": null
}

References

Affected packages

Packagist / prestashop/prestashop

Package

Name: prestashop/prestashop
Purl: pkg:composer/prestashop/prestashop

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

8.2.6

Affected versions

1.*

1.7.0.0-beta.1.0

1.7.0.0-beta.2.0

1.7.0.0-beta.3.0

1.7.0.0-beta.4.0

1.7.0.0-rc.0.0

1.7.0.0-rc.1.0

1.7.0.0-rc.2.0

1.7.0.0

1.7.0.1

1.7.0.2

1.7.0.3

1.7.0.4

1.7.0.5

1.7.0.6

1.7.1.0

1.7.1.1

1.7.1.2

1.7.2.0-rc.1.0

1.7.2.0

1.7.2.1

1.7.2.2

1.7.2.3

1.7.2.4

1.7.2.5

1.7.3.0

1.7.3.1

1.7.3.2

1.7.3.3

1.7.3.4

1.7.4.0-beta.1

1.7.4.0

1.7.4.1

1.7.4.2

1.7.4.3

1.7.4.4

1.7.5.0-beta.1

1.7.5.0-rc.1

1.7.5.0

1.7.5.1

1.7.5.2

1.7.6.0-beta.1

1.7.6.0-rc.1

1.7.6.0-rc.2

1.7.6.0

1.7.6.1

1.7.6.2

1.7.6.3

1.7.6.4

1.7.6.5

1.7.6.6

1.7.6.7

1.7.6.8

1.7.6.9

1.7.7.0-beta.1

1.7.7.0-beta.2

1.7.7.0-rc.1

1.7.7.0

1.7.7.1

1.7.7.2

1.7.7.3

1.7.7.4

1.7.7.5

1.7.7.6

1.7.7.7

1.7.7.8

1.7.8.0-beta.1

1.7.8.0-rc.1

1.7.8.0

1.7.8.1

1.7.8.2

1.7.8.3

1.7.8.4

1.7.8.5

1.7.8.6

1.7.8.7

1.7.8.8

1.7.8.9

1.7.8.10

1.7.8.11

8.*

8.0.0-beta.1

8.0.0-rc.1

8.0.0

8.0.1

8.0.2

8.0.3

8.0.4

8.0.5

8.1.0-beta.1

8.1.0-rc.1

8.1.0

8.1.1

8.1.2

8.1.3

8.1.4

8.1.5

8.1.6

8.1.7

8.2.0

8.2.1

8.2.2

8.2.3

8.2.4

8.2.5

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-w9f3-qc75-qgx9/GHSA-w9f3-qc75-qgx9.json"

Packagist / prestashop/prestashop

Package

Name: prestashop/prestashop
Purl: pkg:composer/prestashop/prestashop

Affected ranges

Type: ECOSYSTEM
Events: Introduced

9.0.0

Fixed

9.1.1

Affected versions

9.*

9.0.0

9.0.1

9.0.2

9.0.3

9.1.0-beta.1

9.1.0-rc.1

9.1.0

Database specific

source

"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/05/GHSA-w9f3-qc75-qgx9/GHSA-w9f3-qc75-qgx9.json"