CVE-2023-49488Public exploitNetwork attack vector

Arbitrary script execution via nic parameter XSS

Published Dec 11, 2023 · Updated Aug 2, 2024

Openfiler ESA 2.99.1 contains a cross-site scripting flaw that allows remote attackers to execute arbitrary web scripts or HTML through a crafted nic parameter. The vulnerable request reflects the nic value into generated web content without output encoding, allowing attacker-controlled markup or script to run in a victim's browser. Exploitation requires a victim to load the affected response, and the documented impact is limited to client-side confidentiality and integrity effects rather than server availability.

CVSS severity6.1
Medium
EPSS probability0.44%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Openfiler ESA 2.99.1 contains a cross-site scripting flaw that allows remote attackers to execute arbitrary web scripts or HTML through a crafted nic parameter. The vulnerable request reflects the nic value into generated web content without output encoding, allowing attacker-controlled markup or script to run in a victim's browser. Exploitation requires a victim to load the affected response, and the documented impact is limited to client-side confidentiality and integrity effects rather than server availability.

The record

CVE
CVE-2023-49488
Published
Dec 11, 2023
Updated
Aug 2, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 11, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A: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.

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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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

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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