CVE-2023-4561

FAUCET Score

CVE-2023-4561 is a stored Cross-site Scripting (XSS) vulnerability affecting Omeka S versions prior to 4.0.4. This medium-severity flaw, with a CVSS score of 4.8, requires high privileges and user interaction for exploitation, potentially leading to limited impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 4.0.4CPE matchmatch criteria	cpe:2.3:a:omeka:omeka_s::::::::

CVSS Data

CVSS version used by this source: 3.0

7.1HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

Exploitability Score

2.8

Impact Score

4.2

CvssVersion

3.0

Exploit Intelligence

EPSS Score

0.45%

Probability of exploitation in next 30 days

EPSS Percentile

37.0%

Percentile rank of EPSS score among Peer Group

As of 2026-07-25

Model: v2026.06.15

This CVE's current EPSS score of 0.0045 is in the 55th percentile among its peer group of 4,931 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 / omeka/omeka-s/commit/4482f4fc0f3a66c5ef058c4be9fabf3c29a105af

Patch

huntr.dev / bounties/d4302a0d-db62-4d76-93dd-e6e6473e057a

ExploitPatchThird Party Advisory