Cyber Resilience

CVE-2023-33194

XSS in Craftercms 4.0.0

Public PoCXSS
Published
26 May 2023
Modified
21 November 2024
Patch / advisory
CVSS Score v3.1 3.7
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:L
EPSS Score 0.0062 46th percentile
Risk Priority 21 floored blend · peak EPSS

Summary

CVE-2023-33194 is a low-severity Basic XSS (CWE-80) vulnerability in Craftercms Craftercms. Its CVSS base score is 3.7 (Low).

Operationally, ranked at the 46th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

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…

more

but didn’t fix it when clicking save. This issue was patched in version 4.4.6.

CWE(s)

Related Threats

CVEs Like This One

CVE-2023-33197Same product: Craftcms Craft Cms
CVE-2023-33196Same product: Craftcms Craft Cms
CVE-2023-30177Same product: Craftcms Craft Cms
CVE-2023-2817Same product: Craftcms Craft Cms
CVE-2023-33195Same product: Craftcms Craft Cms
CVE-2023-23927Same product: Craftcms Craft Cms
CVE-2023-31144Same product: Craftcms Craft Cms
CVE-2023-33495Same product: Craftcms Craft Cms
CVE-2023-4136Same product: Craftercms Craftercms
CVE-2020-13965Shared CWE-79, CWE-80

Affected Assets

craftcms
craft cms
3.0.0 — 3.8.6 · 4.0.1 — 4.4.6
craftercms
craftercms
4.0.0

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

Detect
Catch it (NIST detect / respond)

Harden
Shrink the surface (DISA STIG)

Validate
Prove the fix (OWASP ASVS)
  • V1.1.2
  • V1.3.2
  • V1.2.1
  • V1.3.1

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.PS-06 mostly match
prevents

Secure SDLC practices directly require output encoding and input validation that prevent basic XSS.

PR.PS-02 partial match
prevents

Patching and EOL replacement can remediate known XSS instances in libraries or frameworks (partial) but do nothing to enforce input neutralization in application code (none).

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

detects

Security testing in development catches unneutralized script tags before release.

prevents

Knowledge exchange on emerging attack techniques and patches reduces the likelihood that cross-site scripting flaws remain unaddressed in deployed applications.

prevents

Operational indicators of compromise for web-application attacks can be incorporated into WAF or input-filtering rules, lowering the likelihood that unsanitized data reaches the browser.

prevents

Secure SDLC mandates input validation and output encoding that directly prevent basic XSS.

prevents

Application security requirements explicitly call for neutralization of script-related HTML tags.

prevents

Secure coding standards require proper escaping of <, >, & to block XSS.

References