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CVE-2025-52666

LOW
2.7
CVSS Score
Published: November 20, 2025 at 07:10 PM UTC
Updated: September 26, 2026 at 12:27 AM UTC
1 product affected across 1 vendorRevive Adserver

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Severity
LOW2.7
Exploit prediction
EPSS 0.5%
SSVC
PoC

Description

Improper neutralisation of format characters in the settings of Revive Adserver 5.5.2 and 6.0.1 and earlier versions causes an administrator user to disable the admin user console due to a fatal PHP error.

Affected

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

Revive Adserver· Revive Adserver
95%
v ≤ 5.5.26.0.0 ≤ v ≤ 6.0.15.5.26.0.1
Vendor states this is fixed in 5.5.3 (unaffected)
Vendor states this is fixed in 6.0.2 (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/3399218

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

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

CVSS

2.7LOWhackerone
Vector?

Quick Info

StatusANALYZED
CWE
CWE-134

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