CVE-2023-44207

Browser script execution via stored plan names

Published Sep 27, 2023 · Updated Sep 23, 2024

Stored XSS in Acronis Cyber Protect 15 before build 35979 allows remote authenticated users to execute script through a protection-plan name. The published record identifies the protection-plan name as the storage locus but does not disclose the exact encoding or validation failure. Exploitation requires low-privileged access on an adjacent network and user interaction, exposing or modifying data in the affected session.

CVSS severity6.7
Medium
EPSS probability0.52%
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 Acronis Cyber Protect 15 before build 35979 allows remote authenticated users to execute script through a protection-plan name. The published record identifies the protection-plan name as the storage locus but does not disclose the exact encoding or validation failure. Exploitation requires low-privileged access on an adjacent network and user interaction, exposing or modifying data in the affected session.

The record

CVE
CVE-2023-44207
Published
Sep 27, 2023
Updated
Sep 23, 2024
Vendor
Acronis
Product
Acronis Cyber Protect 15
Classifications
CWE-79, T1059.007
Attack vector
adjacent
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 27, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 23, 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?

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

  1. Affected versionversion=unspecified <35979

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesauthenticated

What is affected?

Acronis · Acronis Cyber Protect 15version=unspecified <35979

Published CVSS scores

6.7Acronis International GmbHCVSS:3.0/AV:A/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
5.4NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:L/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.

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)
Vectoradjacent
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

No public exploit references are available in this record.

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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