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Vulnerabilities

Security incident · CVE-2015-20130

netsweeper netsweeper Improper Neutralization of Input During Web Page Generation

Published Oct 30, 2026 · catalog updated Oct 30, 2026 · netsweeper netsweeper Improper Neutralization

Last checked Nov 5, 2026. A connected source was read within the last 7 days.

Patch now

CVE-2015-20130 is in the CISA known-exploited catalog. Confirm netsweeper netsweeper Improper Neutralization against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (netsweeper netsweeper Improper Neutralization).

Same product and reporting

Severity
Medium5.1
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.29%
Remediation
Remediation guidance
Affected products
stated Netsweeper · vendor Netsweeper Netsweeper · vendor netsweeper netsweeper

Netsweeper before 4.0.11 and 4.1.0 before 4.1.5 contains a reflected cross-site scripting vulnerability in webadmin/reporter/view_server_log.php that allows remote attackers to execute arbitrary JavaScript by injecting malicious code through the log request parameter, which is reflected into the HTML response without output encoding. Attackers can craft a malicious URL and induce a user to request it, resulting in arbitrary JavaScript execution within the victim's browser session against the Netsweeper web administration interface. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-19.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • stated Netsweeper< 4.0.11
  • vendor Netsweeper Netsweeperversion unspecified
  • vendor netsweeper netsweeperversion unspecified

How to fix CVE-2015-20130

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2015-20130 is in the CISA known-exploited catalog. Confirm netsweeper netsweeper Improper Neutralization against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with Netsweeper < 4.0.11. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 0.29%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 30, 2026 · VulnCheck KEV

    Detected

    Netsweeper before 4.0.11 and 4.1.0 before 4.1.5 contains a reflected cross-site scripting vulnerability in webadmin/reporter/view_server_log.php that allows remote attackers to execute arbitrary JavaScript by injecting malicious code through the log request parameter, which is reflected into the HTML response without output encoding. Attackers can craft a malicious URL and induce a user to request

  2. Oct 30, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  3. Oct 30, 2026 · CVE.org

    Updated

    Netsweeper before 4.0.11 and 4.1.0 before 4.1.5 contains a reflected cross-site scripting vulnerability in webadmin/reporter/view_server_log.php that allows remote attackers to execute arbitrary JavaScript by injecting malicious code through the log request parameter, which is reflected into the HTML response without output encoding. Attackers can craft a malicious URL and induce a user to request

Sources

  • CVE.orgVulnerability recordCVE-2015-20130

    Netsweeper before 4.0.11 and 4.1.0 before 4.1.5 contains a reflected cross-site scripting vulnerability in webadmin/reporter/view_server_log.php that allows remote attackers to execute arbitrary JavaScript by injecting malicious code through the log request parameter, which is re

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2015-20130

    30-day exploitation probability 0.29%

    first.org
  • Packet Storm SecurityCited referencehttp://packetstormsecurity.com/files/133034/Netsweeper-Bypass-XSS-Redirection-SQL-Injection-Execution.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com
  • VulnCheck KEVConfirmed exploitationCVE-2015-20130

    Netsweeper before 4.0.11 and 4.1.0 before 4.1.5 contains a reflected cross-site scripting vulnerability in webadmin/reporter/view_server_log.php that allows remote attackers to execute arbitrary JavaScript by injecting malicious code through the log request parameter, which is re

    vulncheck.com

References

Freshness

Last verified in this catalog Nov 3, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • Packet Storm SecurityNov 5, 2026
  • VulnCheck KEVNov 3, 2026
  • FIRST EPSSNov 3, 2026
  • CVE.orgOct 30, 2026