cve.bz

CVE-2021-43257

7.8 highEPSS 1.0%

High (7.8) in mantisbt mantisbt. EPSS 1.0% chance of exploitation in the next 30 days.

Lack of Neutralization of Formula Elements in the CSV API of MantisBT before 2.25.3 allows an unprivileged attacker to execute code or gain access to information when a user opens the csv_export.php generated CSV file in Excel.

Severity

CVSS 3.1

7.8 high
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
1.0% chance of exploitation in the next 30 days; higher than 62% of CVEs (scores of 2026-11-01)
CWE
CWE-1236
Published
Modified
Record from
the NVD, synced

Affected

References

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