TallCMS PluginManager ThemeManager.php code injection

CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.

No collected risk observation for these identifiers. This does not establish absence of exploitation or a zero probability.

A vulnerability was determined in TallCMS up to 4.8.0. This affects an unknown function of the file packages/tallcms/cms/src/Filament/Pages/ThemeManager.php of the component PluginManager. Executing a manipulation can lead to code injection. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. This patch is called fdc18f4c6a36134f8986ca1d7e4e97092e3deb93. It is best practice to apply a patch to resolve this issue.

Source published

5 Oct 2026 15:15:16 UTC

Source modified

7 Oct 2026 20:49:18 UTC

Observed here

23 Oct 2026 15:48:27 UTC

Source terms

CVE Program Terms of Use

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CVSS 4.0 · 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

CVSS 3.1 · 6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

CVSS 3.0 · 6.3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

CVSS 2.0 · 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:OF/RC:C