What is CVE-2020-25830?

CVE-2020-25830 is a medium-severity vulnerability in Mantisbt, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2020-09-30.

How severe is CVE-2020-25830?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Mantisbt

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 inject HTML and, if CSP settings permit, achieve execution of arbitrary JavaScript when attempting to update said custom field via bug_actiongroup_page.php.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.017 (74.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Mantisbt
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cve@mitre.org (Exploit, Patch, x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-25830?: CVE-2020-25830 is a medium-severity vulnerability in Mantisbt, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2020-09-30.
How severe is CVE-2020-25830?: Medium severity. CVSS v3 base score is 4.8 out of 10.