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MEDIUM

CVE-2026-108790

westboy CicadasCMS Backend Template Editor save TemplateController.save path traversal

CVSS v3

4.7

MEDIUM

EPSS Score

0.5 %

exploit probability, as of 2026-10-12

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-108790 yet.

Full record on NVD

Description

A security flaw has been discovered in westboy CicadasCMS up to 2431154dac8d0735e04f1fd2a3c3556668fc8dab. This impacts the function TemplateController.save of the file /system/cms/template/save of the component Backend Template Editor. The manipulation results in path traversal. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Published
2026-10-12
Last Modified
2026-10-13

Frequently asked questions

What is CVE-2026-108790?

A security flaw has been discovered in westboy CicadasCMS up to 2431154dac8d0735e04f1fd2a3c3556668fc8dab. This impacts the function TemplateController.save of the file /system/cms/template/save of the component Backend Template Editor. The manipulation results in path traversal. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Is CVE-2026-108790 actively exploited?

Active exploitation of CVE-2026-108790 has not been confirmed. Its EPSS score was 0.5% on 2026-10-12, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-108790?

CVE-2026-108790 has a CVSS v3 base score of 4.7 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.

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