CVE-2023-33194
CraftCMS stored XSS in Quick Post widget error message
Craft is a CMS for creating custom digital experiences on the web.The platform does not filter input and encode output in Quick Post validation error message, which can deliver an XSS payload. Old CVE fixed the XSS in label HTML but didn’t fix it when clicking save. This issue was patched in version 4.4.6.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- Low
Exploit likelihood
What each source reports
CVE List Score used
CraftCMS stored XSS in Quick Post widget error message
Craft is a CMS for creating custom digital experiences on the web.The platform does not filter input and encode output in Quick Post validation error message, which can deliver an XSS payload. Old CVE fixed the XSS in label HTML but didn’t fix it when clicking save. This issue was patched in version 4.4.6.
- Record
CVE-2023-33194- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:L - Weakness
- CWE-80
- Updated
- 2026-11-02
EUVDEUVD-2023-1461
Craft is a CMS for creating custom digital experiences on the web.The platform does not filter input and encode output in Quick Post validation error message, which can deliver an XSS payload. Old CVE fixed the XSS in label HTML but didn’t fix it when clicking save. This issue was patched in version 4.4.6.
- Record
EUVD-2023-1461- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:L - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3wxg-w96j-8hq9
CraftCMS stored XSS in Quick Post widget error message
Summary
The platform does not filter input and encode output in Quick Post validation error message, which can deliver an XSS payload.
Details
Old CVE fixed the XSS in label HTML but didn’t fix it when clicking save.
PoC
-
Login at admin
-
Go to setting
-
Create a Section
-
On Entry page, click Edit label
-
Inject the XSS payload into the label and save
-
On the admin dashboard choose new widget -> Quick Post
-
In Quick Post, click save with blank slug; The XSS will be executed
"errors":{"title":["<script>alert('nono')</script> cannot be blank."],"slug":["Slug cannot be blank."]
Fixed in https://github.com/craftcms/cms/commit/9d0cd0bda7c8a830a3373f8c0f06943e519ac888
- Record
GHSA-3wxg-w96j-8hq9- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:L - Weakness
- CWE-79, CWE-80
- Updated
- 2026-11-02
NVD
Craft is a CMS for creating custom digital experiences on the web.The platform does not filter input and encode output in Quick Post validation error message, which can deliver an XSS payload. Old CVE fixed the XSS in label HTML but didn’t fix it when clicking save. This issue was patched in version 4.4.6.
- Record
CVE-2023-33194- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:L - CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-80, CWE-79
- Updated
- 2026-11-02
OSV
CraftCMS stored XSS in Quick Post widget error message
Craft is a CMS for creating custom digital experiences on the web.The platform does not filter input and encode output in Quick Post validation error message, which can deliver an XSS payload. Old CVE fixed the XSS in label HTML but didn’t fix it when clicking save. This issue was patched in version 4.4.6.
- Record
CVE-2023-33194- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:L - Weakness
- CWE-80
- Updated
- 2026-11-02
OSVGHSA-3wxg-w96j-8hq9
CraftCMS stored XSS in Quick Post widget error message
Summary
The platform does not filter input and encode output in Quick Post validation error message, which can deliver an XSS payload.
Details
Old CVE fixed the XSS in label HTML but didn’t fix it when clicking save.
PoC
-
Login at admin
-
Go to setting
-
Create a Section
-
On Entry page, click Edit label
-
Inject the XSS payload into the label and save
-
On the admin dashboard choose new widget -> Quick Post
-
In Quick Post, click save with blank slug; The XSS will be executed
"errors":{"title":["<script>alert('nono')</script> cannot be blank."],"slug":["Slug cannot be blank."]
Fixed in https://github.com/craftcms/cms/commit/9d0cd0bda7c8a830a3373f8c0f06943e519ac888
- Record
GHSA-3wxg-w96j-8hq9- CVSS 3.1
- 3.7 Low
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:L - Weakness
- CWE-79, CWE-80
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
craftcms/cmsPackagist |
4.0.0-RC1 up to 4.4.6 | 4.4.6 |
craftcms/cmsPackagist |
3.0.0 to 3.8.5 | 3.8.6 |
craftcms/cmsPackagist |
4.0.0-RC1 up to 4.4.6, plus listed versions 4.0.04.0.0-RC24.0.0-RC34.0.0.14.0.1 Show 45 moreShow less4.0.24.0.34.0.44.0.54.0.5.14.0.5.24.0.64.1.04.1.0.14.1.0.24.1.14.1.24.1.34.1.44.1.4.14.2.04.2.0.14.2.0.24.2.14.2.1.14.2.24.2.34.2.44.2.54.2.5.14.2.5.24.2.64.2.74.2.84.3.04.3.14.3.104.3.114.3.24.3.2.14.3.34.3.44.3.54.3.64.3.6.14.3.74.3.7.14.3.84.3.8.14.3.8.2 |
4.4.6 |
craftcms/cmsPackagist |
3.0.0 up to 3.8.6, plus listed versions 3.0.0.13.0.0.23.0.13.0.103.0.10.1 Show 45 moreShow less3.0.10.23.0.10.33.0.113.0.123.0.133.0.13.13.0.13.23.0.143.0.153.0.163.0.16.13.0.173.0.17.13.0.183.0.193.0.23.0.203.0.213.0.223.0.233.0.23.13.0.243.0.253.0.263.0.26.13.0.273.0.27.13.0.283.0.293.0.33.0.3.13.0.303.0.30.13.0.30.23.0.313.0.323.0.333.0.343.0.353.0.363.0.373.0.383.0.393.0.43.0.40 |
3.8.6 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, products | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-33194 is a low vulnerability (CVSS 3.7) in Craftcms Cms, published May 26, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.62%, the 49th percentile. Fixed in craftcms/cms 4.4.6.
References
github.com/craftcms/cms/security/advisories/GHSA-3wxg-w96j-8hq9
nvd.nist.gov/vuln/detail/CVE-2023-33194
Left out here: 373 versions. The JSON record has them.