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CVE-2025-2274 Forcepoint CVE debrief

CVE-2025-2274 is a MEDIUM-severity vulnerability (CVSS Score: 4.8) affecting Forcepoint Web Security (On-Prem) on Windows. The issue, published on [cvePublishedAt](https://www.cve.org/CVERecord?id=CVE-2025-2274) and last modified on [cveModifiedAt](https://nvd.nist.gov/vuln/detail/CVE-2025-2274), is related to Improper Neutralization of Input During Web Page Generation, allowing for Stored Cross-Site Scripting (XSS). The vulnerability affects Web Security through version 8.5.6.

Vendor
Forcepoint
Product
Web Security
CVSS
MEDIUM 4.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-03-16
Original CVE updated
2026-06-05
Advisory published
2026-03-16
Advisory updated
2026-06-05

Who should care

Administrators and users of Forcepoint Web Security (On-Prem) on Windows, particularly those with versions up to 8.5.6, should be aware of this vulnerability and take necessary actions to mitigate the risk.

Technical summary

The vulnerability is caused by improper neutralization of input during web page generation, which allows for Stored XSS attacks. This issue has been analyzed and verified by official sources.

Defensive priority

MEDIUM

Recommended defensive actions

  • Update Forcepoint Web Security to a version beyond 8.5.6 to mitigate the Stored XSS vulnerability.
  • Refer to the vendor advisory at [ref-4](https://support.forcepoint.com/s/article/Security-Advisory-Stored-Cross-Site-Scripting-in-Forcepoint-Web-Security) for additional guidance and mitigation strategies.

Evidence notes

The CVE and NVD details provide evidence of the vulnerability's existence and its impact on Forcepoint Web Security (On-Prem) on Windows.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-2274 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-2274

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2025-2274 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-2274

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.