What’s Vulnerable › Vulnerabilities

CVE-2019-12823

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-06-18 · updated 2026-06-17
• Weakness: CWE-79

Description

Craft CMS before 3.1.31 does not properly filter XML feeds and thus allowing XSS.

Affected products

• craftcms cms: before 3.1.31 — fixed in 3.1.31

How to fix

Upgrade to a fixed version: craftcms cms 3.1.31. Check the vendor advisory for mitigations.

References

• https://github.com/craftcms/cms/blob/master/CHANGELOG-v3.md
• https://github.com/craftcms/cms/commit/6432eca59b93bcea2ca2616199e5d419447e613f
• https://github.com/craftcms/cms/blob/master/CHANGELOG-v3.md
• https://github.com/craftcms/cms/commit/6432eca59b93bcea2ca2616199e5d419447e613f

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