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CVE-2023-3142

19
FAUCET Score

CVE-2023-3142 is a stored Cross-site Scripting (XSS) vulnerability affecting versions of the microweber/microweber GitHub repository prior to 2.0. This medium-severity flaw (CVSS 5.4) allows an authenticated attacker to inject malicious scripts, potentially leading to client-side data theft or defacement, requiring user interaction to trigger. There is currently no evidence of active exploitation, and no public exploit code or significant community discussion has been observed for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0CPE matchmatch criteria
cpe:2.3:a:microweber:microweber:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

3.8LOW

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

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
0.3
Impact Score
3.4
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 40th percentile among its peer group of 15,239 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

Vendor Advisories (1)

composerGHSA-fqcv-rfp6-wv92medium

Microweber Cross-site Scripting vulnerability

Jun 7, 2023

References

github.com / microweber/microweber/commit/42efa981a2239d042d910069952d6276497bdcf1
Patch
huntr.dev / bounties/d00686b0-f89a-4e14-98d7-b8dd3f92a6e5
ExploitPatchThird Party Advisory