What’s Vulnerable › Vulnerabilities

CVE-2021-23266: Improper Output Neutralization for Logs in Crafter Studio

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-05-16 · updated 2026-06-17
• Weakness: CWE-117

Description

An anonymous user can craft a URL with text that ends up in the log viewer as is. The text can then include textual messages to mislead the administrator.

Affected products

• Crafter Software Crafter CMS: from 3.1 before 3.1.18 — fixed in 3.1.18

How to fix

Upgrade to a fixed version: Crafter Software Crafter CMS 3.1.18. Check the vendor advisory for mitigations.

References

• https://docs.craftercms.org/en/3.1/security/advisory.html#cv-2022051602
• https://docs.craftercms.org/en/3.1/security/advisory.html#cv-2022051602

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