🛡️ CVE-2023-4136 — craftercms

🟠 CVSS 8.0 — High ✅ No Known Exploit CWE-79 NVD
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Cross-site Scripting (XSS) in CrafterCMS

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CrafterCMS Engine on Windows, MacOS, Linux, x86, ARM, 64 bit allows Reflected XSS.This issue affects CrafterCMS: from 4.0.0 through 4.0.2, from 3.1.0 through 3.1.27.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality high, integrity none, availability none.

Weakness class

CVE-2023-4136 is classified as CWE-79: Cross-site Scripting (XSS). User-supplied data is written into a page without escaping, so attacker script runs in the browser of anyone who views it.

Affected software

CVE-2023-4136 is recorded against 2 packages.

  • craftercms (from 4.0.0 up to 4.0.2)
  • org.craftercms:crafter-engine (from 3.1.0 up to 3.1.28)

Timeline and source

Published on 3 August 2023 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

packetstormsecurity.com
seclists.org
docs.craftercms.org
packetstormsecurity.com
seclists.org
docs.craftercms.org

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
CWE CWE-79
Public Exploit ✅ No
Source NVD
Published 2023-08-03
Updated 2026-08-12
Modified 2026-06-17
Fix URL N/A

Affected Packages

Software From version Fixed in
craftercms 4.0.0 4.0.2
org.craftercms:crafter-engine 3.1.0 3.1.28

Similar Threats

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