CVE-2025-55127

MediumCVSS 5.4/10Last modified Jun 17, 2026

Description

HackerOne community member Dao Hoang Anh (yoyomiski) has reported an improper neutralization of whitespace in the username when adding new users. A username with leading or trailing whitespace could be virtually indistinguishable from its legitimate counterpart when the username is displayed in the UI, potentially leading to confusion.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Weakness enumeration

CWE-156

Affected software

Vendor	Product	Versions
Revive	Revive Adserver	>= 6, <= 6.0.2

References

https://hackerone.com/reports/3413764Exploit, Issue Tracking

Timeline

Published: Nov 20, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

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