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CVE-2023-3981

18
FAUCET Score

CVE-2023-3981 describes a Server-Side Request Forgery (SSRF) vulnerability affecting Omeka S versions prior to 4.0.2. This medium-severity flaw, rated 4.9 CVSS, allows highly privileged attackers to force the server to make requests to arbitrary domains, potentially leading to information disclosure. While the vulnerability has a low EPSS score and no known active exploitation or public exploit code, its presence in a widely used content management system warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.0.2CPE matchmatch criteria
cpe:2.3:a:omeka:omeka:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.56%
Probability of exploitation in next 30 days
EPSS Percentile
43.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0056 is in the 42nd percentile among its peer group of 3,565 CVEs.

Social Chatter

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

github.com / omeka/omeka-s/commit/dc01ca1b03e845db8a6a6b665d8da36c8dcd2c31
Patch
huntr.dev / bounties/f5018226-0063-415d-9675-d7e30934ff78
ExploitPatchThird Party Advisory