What’s Vulnerable › Vulnerabilities

CVE-2019-20803

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-05-21 · updated 2026-06-17
• Weakness: CWE-79

Description

Gila CMS before 1.11.6 has reflected XSS via the admin/content/postcategory id parameter, which is mishandled for g_preview_theme.

Affected products

• Gila CMS: before 1.11.6 — fixed in 1.11.6

How to fix

Upgrade to a fixed version: Gila CMS 1.11.6. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/158201/GilaCMS-1.11.5-Cross-Site-Request-Forgery-Cross-Site-Scripting.html
• http://seclists.org/fulldisclosure/2020/Jun/29
• https://github.com/GilaCMS/gila/issues/56
• http://packetstormsecurity.com/files/158201/GilaCMS-1.11.5-Cross-Site-Request-Forgery-Cross-Site-Scripting.html
• http://seclists.org/fulldisclosure/2020/Jun/29
• https://github.com/GilaCMS/gila/issues/56

Get alerted when CVE-2019-20803 or the next vulnerability affects your stack