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CVE-2025-55124VulnerabilityPublished

CVE-2025-55124: Revive Adserver · Cross-site Scripting

Affects Revive AdserverSource CVE Database V5

0

Not known to be exploited · CVSS 6.1 Medium.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.0 base score
6.1Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 38% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 20 Nov 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
Revive Revive AdserverAffected
  • =6
Fixed in–

AI-suggested

Since no official patches are currently linked, European organizations should implement immediate mitigations such as: 1) Employing robust input validation and output encoding on all user-supplied data, especially parameters handled by banner-zone.php, to neutralize malicious scripts. 2) Using Web Application Firewalls (WAFs) with rules designed to detect and block reflected XSS payloads targeting Revive Adserver endpoints. 3) Implementing Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts in browsers. 4) Educating users and administrators about the risks of clicking untrusted links and monitoring for suspicious activity. 5) Regularly auditing and monitoring web server logs for unusual requests to banner-zone.php that may indicate exploitation attempts. 6) Considering temporary disabling or restricting access to vulnerable components if feasible until a patch is available. 7) Staying updated with vendor advisories for official patches or updates. These targeted mitigations go beyond generic advice by focusing on the specific vulnerable script and attack vector.

Description

Improper neutralisation of input in Revive Adserver 6.0.0+ causes a reflected XSS attack in the banner-zone.php script.

References

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