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CVE-2023-5839

22
FAUCET Score

CVE-2023-5839 describes a privilege chaining vulnerability in Hestia Control Panel versions prior to 1.8.9. This flaw allows a local, low-privileged attacker to escalate their privileges, potentially leading to full compromise of the affected system (CVSS 7.8 HIGH). While no public exploits, Metasploit modules, or Nuclei templates are currently available, and there's no evidence of active exploitation or significant community discussion, the high severity warrants prompt patching.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.8.9CPE matchmatch criteria
cpe:2.3:a:hestiacp:control_panel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.0
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.29%
Probability of exploitation in next 30 days
EPSS Percentile
20.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0029 is in the 57th percentile among its peer group of 16,994 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / hestiacp/hestiacp/commit/acb766e1db53de70534524b3fbc2270689112630
Patch
huntr.com / bounties/21125f12-64a0-42a3-b218-26b9945a5bc0
ExploitPatchThird Party Advisory