Revive Adserver
CVE-2025-55123
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 5.4 (MEDIUM). Attack characteristics: network attack vector, low complexity, low privileges required, user interaction required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.03%. |
| Exploit ScenarioDerived | A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. |
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Alert meAnalysisAIv1 – Mar 28, 2026
Improper neutralization of input in Revive Adserver 5.5.2 and 6.0.1 and earlier versions causes manager accounts to be able to craft XSS attacks to their own advertiser users. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Improper neutralization of input in Revive Adserver 5.5.2 and 6.0.1 and earlier versions causes manager accounts to be able to craft XSS attacks to their own advertiser users. Affected products include: Revive-Adserver Revive Adserver.
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- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
2DescriptionNVD
Improper neutralization of input in Revive Adserver 5.5.2 and 6.0.1 and earlier versions causes manager accounts to be able to craft XSS attacks to their own advertiser users.
Executive ViewAI
Organizations using Revive Adserver 5.5.2 and 6.0.1 and earlier should be aware of moderate risk from CVE-2025-55123, a cross-site scripting vulnerability rated CVSS 5.4. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Proof-of-concept code is publicly available. Organizations should apply vendor updates when available and monitor for exploitation.
Apply vendor patch. If patching is delayed: implement CSP headers, enable HttpOnly cookies, deploy WAF XSS rules.
Threat Intelligence Overview
NVD
CVE.org
EPSS
VulDB
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)NVD
More in Revive Adserver
View allAn attacker could send a specifically crafted payload to the XML-RPC invocation script and trigger the unserialize() cal
Authorization bypass in Revive Adserver 5.5.2 and 6.0.1 and earlier versions causes an logged in attacker to change othe
Authenticated SQL injection in Revive Adserver 6.0.0 allows a logged-in user to execute crafted payloads that can disrup
Use of cryptographically weak PRNG in the password recovery token generation of Revive Adserver < v4.2.1 causes a potent
Multiple cross-site request forgery (CSRF) vulnerabilities in OpenX 2.8.11 and earlier allow remote attackers to hijack
Vulnerability in the generation of session IDs in revive-adserver < 5.3.0, based on the cryptographically insecure uniqi
A security restriction bypass vulnerability has been discovered in Revive Adserver version < 5.0.5 by HackerOne user hoa
HackerOne community member Dang Hung Vi (vidang04) has reported an uncontrolled resource consumption vulnerability in th
Missing authorization check in Revive Adserver 5.5.2 and 6.0.1 and earlier versions causes users on the system to delete
Revive Adserver before 4.0.1 allows remote attackers to execute arbitrary code via serialized data in the cookies relate
Reflected cross-site scripting in the Revive Adserver administrative interface (verified against version 5.5.2, with a 6
Improper neutralisation of input in Revive Adserver 6.0.0+ causes a reflected XSS attack in the banner-zone.php script.
GitHub PoC
Exploit-DB