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Medium

Craft CMS vulnerable to stored XSS in breadcrumb list and title fields

  • Disclosed: 09.09.2024
  • Updated: 11.10.2026 10:22

Summary

Multiple Stored XSS can be triggered by the breadcrumb list and title fields with user input.

Details

  1. In the /admin/categories page, category title isn't sanitized and triggered xss.
  2. In the category edit page under the /admin/categories/, category title in breadcrumb list isn't sanitized and triggered xss.
  3. In the /admin/entries page, entry title isn't sanitized and triggered xss.
  4. In the entry edit page under the /admin/entries/, entry title in breadcrumb list isn't sanitized and triggered xss.
  5. In the /admin/myaccount and pages under it, username or full name in breadcrumb list isn't sanitized and triggered xss.

Impact

Malicious users can tamper with the control panel.

PoC

1. In the /admin/categories page, category title isn't sanitized and triggered xss.

1. Access to the Settings -> Categories ( /admin/settings/categories )
2. Create new category group
3. Access to the Categories page ( /admin/categories/ )
4. Push the New category button
5. Input the Title column : xss<script>alert('xss')</script>
6. Push the Create Category or Save button
7. Access to the Categories page again and it triggers xss

image image image

2. In the category edit page under the /admin/categories/, category title in breadcrumb list isn't sanitized and triggered xss.

1. Access to the Settings -> Categories ( /admin/settings/categories )
2. Create new category group
3. Access to the Categories page ( /admin/categories/ )
4. Push the New category button
5. Input the Title column : xss<script>alert('xss')</script>
6. Push the Create Category or Save button
7. Access to the Category edit page again and it triggers xss

image image image

3. In the /admin/entries page, entry title isn't sanitized and triggered xss.

1. Access to the Settings -> Entry Types ( /admin/settings/entry-types )
2. Create new entry type
3. Access to the Settings -> Sections ( /admin/settings/sections )
4. Create new section
5. Access to the Entries page ( /admin/entries )
6. Push the New entry button
7. Input the Title column : xss<script>alert('xss')</script>
8. Push the Create entry or Save button
9. Access to the Entries page again and it triggers xss

image image image

4. In the entry edit page under the /admin/entries/, entry title in breadcrumb list isn't sanitized and triggered xss.

1. Access to the Settings -> Entry Types ( /admin/settings/entry-types )
2. Create new entry type
3. Access to the Settings -> Sections ( /admin/settings/sections )
4. Create new section
5. Access to the Entries page ( /admin/entries )
6. Push the New entry button
7. Input the Title column : xss<script>alert('xss')</script>
8. Push the Create entry or Save button
9. Access to the Entriy edit page again and it triggers xss

image image image

5. In the /admin/myaccount and pages under it, username or full name in breadcrumb list isn't sanitized and triggered xss.

1. Access to the My Account Page ( /admin/myaccount )
2. Input the Full Name column : xss<script>alert('xss')</script>
3. Push the the Save button
4. Access to the My Account page ( /admin/myaccount ) or pages under it ( /admin/myaccount/addresses , /admin/myaccount/preferences , etc.) and it triggers xss

image image image

Affected software

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PlatformPackageVulnerable versionsFixed in
Composer package craftcms/cms >= 5.0.0, < 5.1.2 5.1.2

References

CVSS score 5.5/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Weakness (CWE)
CWE-79, CWE-80
Platform
Composer
Package
craftcms/cms
Disclosed
09.09.2024
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-28h4-788g-rh42 - CC BY 4.0

Vulnerability history: craftcms/cms

All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (127) in the archive
Total entries
127
First → latest
07.2021 08.2026
Without a fix
6
Exploited in attacks
4

Severity breakdown

  • Critical 9
  • High 41
  • Medium 65
  • Low 12

Disclosures per year

Severity:
  1. Craft CMS vulnerable to stored XSS in breadcrumb list and title fields this entry
    Medium · 5.5 CVE-2024-45406 >= 5.0.0, < 5.1.2 5.1.2
  2. Craft CMS: Passkey login accepts replayed WebAuthn assertions
    Critical CVE-2026-72780 >= 5.0.0-RC1, < 5.10.5 5.10.5
  3. Craft CMS: Arbitrary user password reset leading to administrator account takeover
    High CVE-2026-72786 >= 5.0.0-RC1, < 5.10.8 5.10.8
  4. Craft CMS: Authenticated RCE through Twig sandbox escape
    High CVE-2026-72781 >= 5.0.0-RC1, < 5.10.7, >= 4.0.0-RC1, < 4.18.3 5.10.7, 4.18.3
  5. Craft CMS: Authenticated RCE via `condition.config` JSON cleanse bypass
    High CVE-2026-72778 >= 5.0.0-RC1, < 5.10.6, >= 4.0.0-RC1, < 4.18.2 5.10.6, 4.18.2
  6. Craft CMS: RCE via missing cleanseConfig in FieldsController::actionRenderCardPreview
    High CVE-2026-56382 >= 5.5.0, < 5.9.14 5.9.14
  7. Craft CMS: Potential authenticated Remote Code Execution via referrer redirect
    High CVE-2026-55794 >= 5.9.0, < 5.10.0 5.10.0
  8. Craft CMS: DOM XSS via GitHub issue title in CraftSupport widget
    High CVE-2026-55790 >= 5.0.0-RC1, < 5.9.23, >= 4.0.0-RC1, < 4.17.16 5.9.23, 4.17.16
  9. Craft CMS Vulnerable to Unauthorized Deletion of Destination Folders During Forced Moves
    High CVE-2026-50282 >= 5.0.0-RC1, < 5.9.21, >= 4.0.0-RC1, < 4.17.14 5.9.21, 4.17.14
  10. Craft CMS's mass assignment via id in newAttributes during bulk duplicate overwrites existing elements
    High CVE-2026-50281 >= 5.7.0, < 5.9.21 5.9.21
  11. Craft CMS: Missing peer-permission check in `AssetsController::actionDeleteFolder` allows deletion of other users' assets
    High CVE-2026-50284 >= 5.0.0-RC1, < 5.9.22, >= 4.0.0-RC1, < 4.17.15 5.9.22, 4.17.15
  12. Craft CMS: Authorship spoofing in `entries/save-entry` via pre-check/post-mutation authorization gap
    High CVE-2026-50279 >= 5.0.0-RC1, < 5.9.21 5.9.21
  13. Craft CMS: Blind SSRF and Arbitrary JavaScript Injection via Host Header Poisoning in actionResourceJs
    Critical CVE-2026-55791 >= 5.0.0-RC1, < 5.10, >= 4.0.0-RC1, < 4.18 5.10, 4.18
  14. Craft CMS's Missing Volume Permission Check in AssetsController::actionShowInFolder Allows Information Disclosure
    High CVE-2026-44012 >= 5.0.0-RC1, < 5.9.18 5.9.18
  15. Craft CMS has Potential Authenticated Remote Code Execution via Malicious Attached Behavior
    High CVE-2026-44011 >= 4.0.0, < 4.17.12, >= 5.0.0, < 5.9.18 4.17.12, 5.9.18
  16. Craft CMS's Missing Authorization in GraphQL Address Resolver Allows Cross-Scope PII Disclosure
    High CVE-2026-44010 >= 5.0.0, < 5.9.18, >= 4.0.0, < 4.17.12 5.9.18, 4.17.12
  17. Craft CMS is Vulnerable to Authenticated Remote Code Execution via Malicious Attached Behavior
    High CVE-2026-33157 >= 5.6.0, < 5.9.13 5.9.13
  18. Craft CMS Vulnerable to Privilege Escalation/Bypass through UsersController->actionImpersonateWithToken()
    High CVE-2026-32267 >= 4.0.0-RC1, < 4.17.6, >= 5.0.0-RC1, < 5.9.12 4.17.6, 5.9.12
  19. Craft CMS vulnerable to behavior injection RCE ElementIndexesController and FieldsController
    High CVE-2026-32264 >= 4.0.0-RC1, < 4.17.5, >= 5.0.0-RC1, < 5.9.11 4.17.5, 5.9.11
  20. Craft CMS vulnerable to behavior injection RCE via EntryTypesController
    High CVE-2026-32263 >= 5.6.0, < 5.9.11 5.9.11
  21. CraftCMS has an RCE vulnerability via relational conditionals in the control panel
    High CVE-2026-31857 >= 5.0.0-RC1, < 5.9.9, >= 4.0.0-beta.1, < 4.17.4 5.9.9, 4.17.4
Show more (20) Showing 21 of 51

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