What’s Vulnerable › Vulnerabilities

CVE-2023-1104: Cross-site Scripting (XSS) - Stored in flatpressblog/flatpress

• Severity: medium (CVSS 5.4 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: yes
• Published: 2023-03-01 · updated 2026-06-17
• Weakness: CWE-79

Description

Cross-site Scripting (XSS) - Stored in GitHub repository flatpressblog/flatpress prior to 1.3.

Affected products

• flatpressblog/flatpress: before 1.3 — fixed in 1.3

How to fix

Upgrade to a fixed version: flatpressblog/flatpress 1.3. Check the vendor advisory for mitigations.

References

• https://github.com/flatpressblog/flatpress/commit/f6394eac7a0e001d2b1ac638d3313e531d19ea93
• https://huntr.dev/bounties/a4909b4e-ab3c-41d6-b0d8-1c6e933bf758
• https://github.com/flatpressblog/flatpress/commit/f6394eac7a0e001d2b1ac638d3313e531d19ea93
• https://huntr.dev/bounties/a4909b4e-ab3c-41d6-b0d8-1c6e933bf758

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