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CVE-2022-3891

18
FAUCET Score

CVE-2022-3891 describes an information disclosure vulnerability in the WP FullCalendar WordPress plugin prior to version 1.5. Unauthenticated attackers can exploit this flaw to access the content of arbitrary WordPress posts, including draft, private, and password-protected ones, due to insufficient access control checks on AJAX requests. With a CVSS score of 5.3 (Medium), this vulnerability has a low attack complexity and does not require user interaction, leading to a potential impact of unauthorized information disclosure. There is currently no evidence of active exploitation, nor are there publicly available exploit modules or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.5CPE matchmatch criteria
cpe:2.3:a:pixelite:wp_fullcalendar:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.69%
Probability of exploitation in next 30 days
EPSS Percentile
49.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0069 is in the 31st percentile among its peer group of 23,725 CVEs.

Social Chatter

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

Remediation records are not available for this CVE.

References

wpscan.com / vulnerability/5a69965d-d243-4d51-b7a4-d6f4b199abf1
ExploitThird Party Advisory