CVE-2025-13672Public exploitNetwork attack vector

Reflected XSS via unsanitized preview parameter

Published Feb 19, 2026 · Updated Feb 19, 2026

Reflected XSS in OpenText Web Site Management Server 16.7.0 and 16.7.1 allows remote authenticated users to run script in a victim's browser. ModernPreviewHandler.ashx inserts the containerpageguid URL parameter into a page preview without sanitization, allowing injected markup and JavaScript to execute. A viewer account can create the preview URL, but a victim must open the forged link; execution occurs in the application's browser origin.

CVSS severity5.4
Medium
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in OpenText Web Site Management Server 16.7.0 and 16.7.1 allows remote authenticated users to run script in a victim's browser. ModernPreviewHandler.ashx inserts the containerpageguid URL parameter into a page preview without sanitization, allowing injected markup and JavaScript to execute. A viewer account can create the preview URL, but a victim must open the forged link; execution occurs in the application's browser origin.

The record

CVE
CVE-2025-13672
Published
Feb 19, 2026
Updated
Feb 19, 2026
Vendor
OpenText
Product
OpenText Web Site Management Server
Classifications
CWE-79, T1204.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 19, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 19, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=16.7.0
  2. Affected versionversion=16.7.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

OpenText · OpenText Web Site Management Serverversion=16.7.0; version=16.7.1

Published CVSS scores

5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
7.0OpenTextCVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:L/VA:N/SC:H/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1204.001User Execution: Malicious Link

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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