6.3

CVE-2025-27208: revive-adserver revive_adserver Cross-site Scripting

CVSS: 6.3v3.0MediumModified
Published 30-10-2025Last modified 01-12-2025

Vulnerability summary

CVE-2025-27208 is a medium (CVSS 6.3) Cross-site Scripting vulnerability in revive-adserver revive_adserver. EPSS estimates a 1.47% chance of exploitation in the next 30 days, higher than 73.5% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.3/10
010
Medium · v3.0 (CVE.org)
EPSS score
1.47%
0%100%
Low · +0.12 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 30-10-2025
    PublishedVulnerability first disclosed.
  2. 01-12-2025
    Last modifiedVulnerability information updated.

Description

A reflected Cross-Site Scripting (XSS) vulnerability has been identified in Revive Adserver version 5.5.2. An attacker could trick a user with access to the user interface of a Revive Adserver instance into clicking on a specifically crafted URL and execute injected JavaScript code in the context of the victim's browser. The session cookie cannot be accessed, but a number of other operations could be performed. The vulnerability is present in the admin-search.php file and can be exploited via the compact parameter.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.47%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

+0.12 pp

From 1.35% on 22-09-2026

22-09-202622-10-2026
EPSS score
1.47%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (hackerone.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Revive1 product
Revive-adserver1 product

2 vendors · 2 products

References

2 links