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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2023-5811

16
FAUCET Score

CVE-2023-5811 is a problematic cross-site scripting (XSS) vulnerability in flusity CMS, specifically affecting the loadPostAddForm function in core/tools/posts.php through manipulation of the menu_id argument. This vulnerability has a CVSS score of 4.8 (Medium), indicating a network-based attack with high privileges required, low attack complexity, and potential for limited confidentiality and integrity impact. While the exploit has been publicly disclosed, there is no evidence of active exploitation, readily available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage. A patch (6943991c62ed87c7a57989a0cb7077316127def8) is available, and immediate application is recommended due to the product's continuous delivery model.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.304CPE matchmatch criteria
cpe:2.3:a:flusity:flusity:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

2.4LOW

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
0.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.52%
Probability of exploitation in next 30 days
EPSS Percentile
41.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0052 is in the 63rd percentile among its peer group of 4,937 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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 / flusity/flusity-CMS/commit/6943991c62ed87c7a57989a0cb7077316127def8
Patch
github.com / flusity/flusity-CMS/issues/3
ExploitIssue TrackingThird Party Advisory
vuldb.com
Permissions RequiredThird Party AdvisoryVDB Entry
vuldb.com
Permissions RequiredThird Party AdvisoryVDB Entry