Home/CVE/An issue was discovered in MantisBT before 2.24.3. Improper escaping of a custom field's name allows an attacker to inje
CVE

CVE-2020-25830

An issue was discovered in MantisBT before 2.24.3. Improper escaping of a custom field's name allows an attacker to inje

An issue was discovered in MantisBT before 2.24.3. Improper escaping of a custom field's name allows an attacker to inject HTML and, if CSP settings permit, achieve execution of arbitrary JavaScript when attempting to update said custom field via bug_actiongroup_page.php.

MEDIUM · CVSS 4.8 EPSS 0.00596
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

1
mantisbt< 2.24.3
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Packagist mantisbt/mantisbt MEDIUM fixed in 2.24.3
⚠

Public Exploits & PoCs

1
pocmantisbt.org · view.php?id=27304mantisbt.org
▣

Scoring & Timeline

4.8
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD30 Sep 2020 · 09:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://github.com/mantisbt/mantisbt/commit/8c6f4d8859785b67fb80ac65100ac5259ed9237dPatchThird Party Advisory
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