Revive Adserver up to 6.0.7 maintenance-acl-check.php cross site scripting

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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3.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Revive Adserver up to 6.0.7. Affected is an unknown function of the file maintenance-acl-check.php. Performing a manipulation results in cross site scripting. This vulnerability is cataloged as CVE-2026-50742. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Revive Adserver up to 6.0.7. It has been classified as problematic. This affects an unknown functionality of the file maintenance-acl-check.php. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

A stored XSS vulnerabilities exists in the `maintenance-acl-check.php` and `maintenance-banners-check.php` tools of Revive Adserver 6.0.7. The issue was caused by entity names being displayed without proper escaping when inconsistencies were detected. Whether the XSS payload is executed when an administrator uses the affected maintenance tools is not entirely under the attacker's control.

The weakness was shared by Althaf Shajahan. The advisory is shared at hackerone.com. This vulnerability is uniquely identified as CVE-2026-50742 since 06/06/2026. The exploitability is told to be difficult. It is possible to initiate the attack remotely. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

By approaching the search of inurl:maintenance-acl-check.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 2.6
VulDB Temp Score: 2.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.4
CNA Vector (hackerone): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Google Hack: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/06/2026 CVE reserved
06/26/2026 +20 days Advisory disclosed
06/26/2026 +0 days VulDB entry created
06/26/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: hackerone.com
Researcher: Althaf Shajahan
Status: Not defined

CVE: CVE-2026-50742 (🔒)
GCVE (CVE): GCVE-0-2026-50742
GCVE (VulDB): GCVE-100-374109

Entryinfo

Created: 06/26/2026 07:40
Changes: 06/26/2026 07:40 (64)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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