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CVE-2025-55127

Published: Nov 20, 2025Updated: Jan 14, 2026 Sources: CVE List NVDCWE-156
NVD MITRE
5.4CVSSMEDIUM
EPSS Score
0.2%
Top 88.3%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
No Fix Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:LI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:LConfidentiality
Low
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-156

Affected Products

Revive AdserverRevive
On-prem
Web & CMS Plugins / cms-core
revive adserveraquaplatform
revivecommercialWeb & CMS Pluginsaka revive adserver

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details

References

https://hackerone.com/reports/3413764
hackerone.com

Timeline

Published
Nov 20, 2025
Last Updated
Jan 14, 2026

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