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Revive Adserver CVE-2026-34915

| EUVDEUVD-2026-38499 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-06-23 hackerone GHSA-372x-3mph-3rvp
6.1
CVSS 3.0 · Vendor: hackerone
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Severity by source

Vendor (hackerone) PRIMARY
6.1 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
vuln.today AI
7.1 HIGH

Blind SQLi requires low-privileged auth (PR:L), no user interaction, enables full data exfiltration (C:H), limited write impact (I:L); scope unchanged.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (hackerone).

CVSS VectorVendor: hackerone

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

1
Analysis Generated
Jun 23, 2026 - 17:07 vuln.today

DescriptionCVE.org

A missing sanitisation of user input in the zone-include.php script of Revive Adserver 6.0.6 and earlier could allow a low‑privileged user to exploit the clientid parameter to perform blind SQL injection attacks. Input sanitisation has been improved to ensure that all parameters processed by the script are properly validated.

AnalysisAI

Blind SQL injection in Revive Adserver 6.0.6 and earlier allows a low-privileged authenticated user to exfiltrate database contents via the unsanitized clientid parameter in zone-include.php. The vulnerability is compounded by a concurrent input validation failure that also enables cross-site scripting, reflected in the CWE-79 assignment and CVSS scope-change vector - suggesting the zone-include.php endpoint contains at least two distinct injection classes. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Obtain low-privileged Revive account
Delivery
Send crafted clientid to zone-include.php
Exploit
Inject blind SQLi payload
Execution
Infer database contents via timing or boolean response
Impact
Exfiltrate credentials or campaign data

Vulnerability AssessmentAI

Exploitation Exploitation of the SQL injection vector requires a valid low-privileged account on the Revive Adserver instance - anonymous unauthenticated attackers cannot exploit the SQLi as described ('low-privileged user' per the description). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The NVD-assigned CVSS 6.1 vector (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N) reflects the XSS component of this vulnerability - scope change and user interaction are hallmarks of reflected XSS scoring. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario A low-privileged user - such as an advertiser or zone manager account - crafts a malicious HTTP request to zone-include.php with a boolean-based or time-based blind SQLi payload in the clientid parameter. By iterating requests and observing response timing or conditional differences, the attacker enumerates the database schema and extracts sensitive data such as advertiser credentials, campaign configuration, or platform user table contents without triggering direct error messages. …
Remediation Upgrade Revive Adserver to the version released after 6.0.6 that incorporates the improved input sanitization described in the advisory; the exact fixed version is not specified in available data but should be confirmed via the vendor's HackerOne disclosure at https://hackerone.com/reports/3653316. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-34915 vulnerability details – vuln.today

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