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CVE-2025-48987· NVD / CVE Program· CNA hackerone

Improper Neutralization of Input in Revive Adserver 5.5.2 and 6.0.1 and earlier versions causes a potential reflected XSS attack.

MediumCVSS 6.1 · v3.1—No exploit No fix recorded
Published
Nov 20, 2025
Updated
Sep 25, 2026
EPSS
0.5% · 41th percentile
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Report tools

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Action score

24

Monitor

Low priority for now.

CVSS
24 / 40 · 6.1 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.5%

CISA SSVC decision

Exploitation
proof of concept
Automatable
no
Technical impact
partial

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
6.1
CNA · hackerone
6.3
0.2 point gap

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Affected systems

VendorProduct
revive-adserverrevive adserver

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • revive-adserver revive adserverup to 5.5.2 inclusive
  • revive-adserver revive adserver6.0.0 and later · up to 6.0.1 inclusive

Versions reported by the vendor

Affected version ranges reported by the assigning authority (hackerone). Independent of NVD's CPE analysis and usually ahead of it.

  • Revive Revive Adserver

    • 6 and later · up to and including 6.0.1affected · semver
    • 6.0.2 and later · up to and including 6.0.2not affected · semver
    • 5 and later · up to and including 5.5.2affected · semver
    • 5.5.3 and later · up to and including 5.5.3not affected · semver

Same product

revive-adserver: all records

Other highest-scoring records for the same primary product.

  • CVE-2021-22873Revive Adserver before 5.1.0 is vulnerable to open redirects via the `dest`, `oadest`, and/or `ct0` parameters of the lg.php and ck.php deli
    45Plan
  • CVE-2020-8143An Open Redirect vulnerability was discovered in Revive Adserver version < 5.0.5 and reported by HackerOne user hoangn144.
    45Plan
  • CVE-2016-9125Revive Adserver before 3.2.3 suffers from session fixation, by allowing arbitrary session identifiers to be forced and, at the same time, by
    40Plan
  • CVE-2016-9124Revive Adserver before 3.2.3 suffers from Improper Restriction of Excessive Authentication Attempts.
    40Plan
  • CVE-2017-5830Revive Adserver before 4.0.1 allows remote attackers to execute arbitrary code via serialized data in the cookies related to the delivery sc
    40Plan
  • CVE-2016-9470Revive Adserver before 3.2.5 and 4.0.0 suffers from Reflected File Download.
    37Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2025-551240 days apartImproper neutralisation of input in Revive Adserver 6.0.0+ causes a reflected XSS attack in the banner-zone.php script.
    24Monitor
  • CVE-2025-2720821 days apartA reflected Cross-Site Scripting (XSS) vulnerability has been identified in Revive Adserver version 5.5.2.
    24Monitor
  • CVE-2026-50745217 days apartA missing sanitisation vulnerability exists with user input in the stats-video.php script.
    24Monitor
  • CVE-2025-526670 days apartMissing JSON Content-Type header in a script in Revive Adserver 6.0.1 and 5.5.2 and earlier versions causes a stored XSS attack to be possib
    21Monitor
  • CVE-2025-526680 days apartImproper input neutralization in the stats-conversions.php script in Revive Adserver 5.5.2 and 6.0.1 and earlier versions causes potential i
    21Monitor
  • CVE-2025-551230 days apartImproper 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 att
    21Monitor

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
low · data or configuration can be modified
Availability
none

Impact can extend beyond the vulnerable component (scope changes).

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality impact
Low
Integrity impact
Low
Availability impact
None

Weakness class (CWE)

CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

nvd-primary

Root cause

User content is inserted into the page as HTML. The browser interprets the content as code rather than data.

The bug in code

The whole CWE-79 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

ts
commentEl.innerHTML = comment.body;

Fixed

ts
commentEl.textContent = comment.body;

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

All records