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CVE-2023-28680

24
FAUCET Score

CVE-2023-28680 describes an XML External Entity (XXE) vulnerability in the Jenkins Crap4J Plugin versions 0.9 and earlier, stemming from an improperly configured XML parser. This high-severity vulnerability (CVSS 7.5) allows an unauthenticated attacker to remotely access sensitive information (C:H) without user interaction, though it does not impact integrity or availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the potential for data disclosure warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.9CPE matchmatch criteria
cpe:2.3:a:jenkins:crap4j:*:*:*:*:*:jenkins:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.77%
Probability of exploitation in next 30 days
EPSS Percentile
51.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0077 is in the 27th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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

Vendor Patches (1)

jenkinsvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

mavenGHSA-vq5h-qgxm-2m39high

Jenkins Crap4J Plugin vulnerable to XML external entity (XXE) attacks

Apr 2, 2023

References

jenkins.io / security/advisory/2023-03-21
Vendor Advisory