CVE-2025-58070

MEDIUM

Published Oct 24, 2025 Modified Apr 15, 2026 CWE-79

Description

Pleasanter contains a stored cross-site scripting vulnerability in Preview for Attachments, which allows an attacker to execute an arbitrary script in a logged-in user's web browser.

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CVSS v3.1 Score

6.1

MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

References

Other References

https://jvn.jp/en/jp/JVN20611740/ https://pleasanter.org/archives/vulnerability-update-20251024

Frequently Asked Questions

What is CVE-2025-58070? +

Pleasanter contains a stored cross-site scripting vulnerability in Preview for Attachments, which allows an attacker to execute an arbitrary script in a logged-in user's web browser. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2025-58070? +

CVE-2025-58070 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

How do I check if I'm vulnerable to CVE-2025-58070? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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