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FedoraOperating system · Fedoraproject

CVE-2023-39514

MEDIUM · 5.4 CVSS v3.1 Published 2023-09-05
Fix available
A fix is available. Upgrade to 1.2.25 or later.
See remediation →
58/100
Remediation priority · Elevated
Public exploit Remotely reachable

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
Cacti is an open source operational monitoring and fault management framework. Affected versions are subject to a Stored Cross-Site-Scripting (XSS) Vulnerability which allows an authenticated user to poison data stored in the _cacti_'s database. These data will be viewed by administrative _cacti_ accounts and execute JavaScript code in the victim's browser at view-time. The script under `graphs.php` displays graph details such as data-source paths, data template information and graph related fields. _CENSUS_ found that an adversary that is able to configure either a data-source template with malicious code appended in the data-source name or a device with a malicious payload injected in the device name, may deploy a stored XSS attack against any user with _General Administration>Graphs_ privileges. A user that possesses the _Template Editor>Data Templates_ permissions can configure the data-source name in _cacti_. Please note that this may be a _low privileged_ user. This configuration occurs through `http://<HOST>/cacti/data_templates.php` by editing an existing or adding a new data template. If a template is linked to a graph then the formatted template name will be rendered in the graph's management page. A user that possesses the _General Administration>Sites/Devices/Data_ permissions can configure the device name in _cacti_. This vulnerability has been addressed in version 1.2.25. Users are advised to upgrade. Users unable to upgrade should add manual HTML escaping.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis
How this class of weakness works · CWE-79

Untrusted input is placed into a web page without being neutralised, so an attacker's markup or script executes in another user's browser. That can hijack sessions, capture keystrokes, or silently perform actions as the victim. Fixing it properly means context-aware output encoding everywhere data meets HTML, backed by a content-security policy as a second line of defence.

General guidance for the cross-site scripting (xss) class — the official description and references above are authoritative for this specific CVE. Want a bespoke review and a reviewed fix? Ask our team →

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
FedoraOperating system
Affected:= 37= 38
CactiApplication
Affected:< 1.2.25

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 1.2.25 or later
Fixed in 1.2.25
Recommended fix High confidence

Cacti 1.2.25

  1. 1. Back up the Cacti database and configuration files before upgrading.
  2. 2. For self-hosted Cacti: Download and install Cacti version 1.2.25 from the official Cacti website or repository.
  3. 3. For Fedora systems: Run 'sudo dnf update cacti' to receive the patched package that addresses CVE-2023-39514.
  4. 4. Verify the upgrade was successful by checking the Cacti version in the web interface (typically at http://<HOST>/cacti/about.php) or via command line.
  5. 5. Clear any browser caches to ensure the patched version loads correctly.
  6. 6. Test that graphs.php and data_templates.php pages render correctly after the upgrade.

Generated from the published advisory — verify against the referenced sources before acting.

We can perform the upgrade in your staging environment and verify nothing breaks — typical engagement from $900. Get the upgrade done

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2023-39514 in production — separate from our analysis above.

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What this is

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  • Version or environment caveats, and links to real fixes
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