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CVE-2023-33177

40
FAUCET Score

CVE-2023-33177 is a path traversal vulnerability affecting Xibo CMS versions prior to 2.3.17 and 3.3.5. An authenticated attacker can upload a specially crafted zip file via the layout import function, allowing arbitrary file creation outside the CMS library directory. This vulnerability carries a high CVSS score of 8.8, indicating a low attack complexity and no user interaction required, potentially leading to remote code execution as the webserver user. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.8.0, < 2.3.17CPE matchmatch criteria
cpe:2.3:a:xibosignage:xibo:*:*:*:*:*:*:*:*
>= 3.0.0, < 3.3.5CPE matchmatch criteria
cpe:2.3:a:xibosignage:xibo:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
7.09%
Probability of exploitation in next 30 days
EPSS Percentile
93.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-52500 · Apr 8, 2026
This CVE's current EPSS score of 0.0709 is in the 93rd percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 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 0.1 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

claroty.com / team82/disclosure-dashboard
Third Party Advisory
github.com / xibosignage/xibo-cms/commit/1cbba380fa751a00756e70d7b08b5c6646092658
Patch
github.com / xibosignage/xibo-cms/commit/45c6b53c3978639db03b63270a56f4397f49b2c9
Patch
github.com / xibosignage/xibo-cms/security/advisories/GHSA-jj27-x85q-crqv
PatchVendor Advisory
xibosignage.com / blog/security-advisory-2023-05
Vendor Advisory