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CVE-2025-55129

MEDIUM
5.4
CVSS Score
Published: December 2, 2025 at 01:42 AM UTC
Updated: June 17, 2026 at 09:41 AM UTC
2 products affected across 2 vendorsRevive AdserverRevive Adserver

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

HackerOne community member Kassem S.(kassem_s94) has reported that username handling in Revive Adserver was still vulnerable to impersonation attacks after the fix for CVE-2025-52672, via several alternate techniques. Homoglyphs based impersonation has been independently reported by other HackerOne users, such as itz_hari_ and khoof.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Revive Adserver· Aquaplatform
95%
6.0.0 ≤ v < 6.0.4
Affected range stops below 6.0.4, so it looks safe — our inference, not a vendor statement
Revive Adserver· Revive Adserver
60%
6 ≤ v ≤ 6.0.36
Vendor states this is fixed in 6.0.4 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitIssue TrackingThird Party Advisory
Source: cverecord
https://hackerone.com/reports/3434156

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.4MEDIUMhackerone
Vector?

Quick Info

StatusANALYZED
CWE
CWE-176

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