CVE-2021-39136
In affected versions there is a cross-site scripting vulnerability in the file upload function of the management system of baserCMS.
Does this matter?
Lower severity and a low EPSS score (0.93%). Track it; it rarely justifies an emergency change on its own.
Description
baserCMS is an open source content management system with a focus on Japanese language support. In affected versions there is a cross-site scripting vulnerability in the file upload function of the management system of baserCMS. Users are advised to update as soon as possible. No workaround are available to mitigate this issue.
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.93% probability · 60th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- basercms/basercms
- Source
- security-advisories@github.com
EPSS 0.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://jvn.jp/en/jp/JVN14134801/index.htmlThird Party Advisory
- https://basercms.net/security/JVN_14134801Vendor Advisory
- https://github.com/baserproject/basercms/commit/568d4cab5ba1cdee7bbf0133c676d02a98f6d7bcPatch, Third Party Advisory
- https://github.com/baserproject/basercms/security/advisories/GHSA-hgjr-632x-qpp3Third Party Advisory
- http://jvn.jp/en/jp/JVN14134801/index.htmlThird Party Advisory
- https://basercms.net/security/JVN_14134801Vendor Advisory
- https://github.com/baserproject/basercms/commit/568d4cab5ba1cdee7bbf0133c676d02a98f6d7bcPatch, Third Party Advisory
- https://github.com/baserproject/basercms/security/advisories/GHSA-hgjr-632x-qpp3Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.