CVE-2026-48531Network attack vector

Stored XSS via unencoded retention policy names

Published Jul 23, 2026 · Updated Jul 23, 2026

Stored XSS in GFI Archiver before 15.13 allows remote authenticated users to inject script through a retention policy name. RetentionPolicyWizard.SaveAllConfigSettings() stores the policy name from /Archiver/RetentionPolicyWizard.aspx without output encoding. The payload runs when another user opens the Retention and Spam Policies page, enabling actions and data access within that user's browser session.

CVSS severity5.1
Medium
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in GFI Archiver before 15.13 allows remote authenticated users to inject script through a retention policy name. RetentionPolicyWizard.SaveAllConfigSettings() stores the policy name from /Archiver/RetentionPolicyWizard.aspx without output encoding. The payload runs when another user opens the Retention and Spam Policies page, enabling actions and data access within that user's browser session.

The record

CVE
CVE-2026-48531
Published
Jul 23, 2026
Updated
Jul 23, 2026
Vendor
GFI Software
Product
GFI Archiver
Classifications
CWE-79
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 23, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 23, 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=0 <15.13

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

GFI Software · GFI Archiverversion=0 <15.13

Published CVSS scores

5.4VulnCheck CNACVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
5.1VulnCheck CNACVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

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

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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