CVE-2020-35571: MantisBT XSS in manage_custom_field_update.php
An issue was discovered in MantisBT through 2.24.3. In the helperensureconfirmed call in managecustomfieldupdate.php, the custom field name is not sanitized. This may be problematic depending on CSP settings.
Other sources
MantisBT XSS in managecustomfieldupdate.php
— Packagist
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
composer/mantisbt/mantisbtto a version that resolves this vulnerability.Fixed in 2.25.0
Event History
Frequently Asked Questions
What is the severity of CVE-2020-35571?
The severity of CVE-2020-35571 is medium.
How does CVE-2020-35571 affect MantisBT?
CVE-2020-35571 affects MantisBT version up to and including 2.24.3.
What is the vulnerability type of CVE-2020-35571?
The vulnerability type of CVE-2020-35571 is CWE-79 (Cross-site Scripting).
What is the reference link for CVE-2020-35571?
You can find the reference link for CVE-2020-35571 [here](https://mantisbt.org/bugs/view.php?id=27768).
How can I fix CVE-2020-35571?
To fix CVE-2020-35571, update MantisBT to version 2.24.4 or later.