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CVE-2022-4637

22
FAUCET Score

CVE-2022-4637 is a cross-site scripting (XSS) vulnerability affecting ep3-bs versions up to 1.7.x. This flaw allows remote attackers to inject malicious scripts into web pages, impacting the ep-3bookingsystem. Rated as Medium severity (CVSS 6.1), the vulnerability requires user interaction (UI:R) but can be exploited with low attack complexity (AC:L) over the network (AV:N). Successful exploitation could lead to limited confidentiality and integrity impacts (C:L, I:L). There is currently no evidence of active exploitation, and no public exploit code or Metasploit/Nuclei modules are available. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.8.0CPE matchmatch criteria
cpe:2.3:a:ep-3bookingsystem:ep-3_bookingsystem:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.5LOW

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.1
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.51%
Probability of exploitation in next 30 days
EPSS Percentile
40.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0051 is in the 43rd percentile among its peer group of 26,221 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 / tkrebs/ep3-bs/commit/ef49e709c8adecc3a83cdc6164a67162991d2213
PatchThird Party Advisory
github.com / tkrebs/ep3-bs/issues/564
Issue TrackingPatchThird Party Advisory
github.com / tkrebs/ep3-bs/releases/tag/1.8.0
PatchThird Party Advisory
vuldb.com
Third Party Advisory