What’s Vulnerable › Vulnerabilities

CVE-2022-4821: FlatPress XML File Handler/MD File admin.uploader.php onupload cross site scripting

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-28 · updated 2026-06-17
• Weakness: CWE-79

Description

A vulnerability classified as problematic was found in FlatPress. This vulnerability affects the function onupload of the file admin/panels/uploader/admin.uploader.php of the component XML File Handler/MD File Handler. The manipulation leads to cross site scripting. The attack can be initiated remotely. The name of the patch is 3cc223dec5260e533a84b5cf5780d3a4fbf21241. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-217000.

Affected products

• flatpressblog/flatpress: all versions

References

• https://github.com/flatpressblog/flatpress/commit/3cc223dec5260e533a84b5cf5780d3a4fbf21241
• https://github.com/flatpressblog/flatpress/issues/178
• https://vuldb.com/?ctiid.217000
• https://vuldb.com/?id.217000
• https://github.com/flatpressblog/flatpress/commit/3cc223dec5260e533a84b5cf5780d3a4fbf21241
• https://github.com/flatpressblog/flatpress/issues/178
• https://vuldb.com/?ctiid.217000
• https://vuldb.com/?id.217000

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