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CVE-2024-0855

16
FAUCET Score

CVE-2024-0855 is a medium-severity vulnerability affecting the Spiffy Calendar WordPress plugin prior to version 4.9.9. It allows any user to manipulate the event_author parameter when creating an event, potentially deceiving users or administrators into believing an event was created by a higher-privileged user. The vulnerability has a CVSS score of 5.3, indicating a network-based attack with low complexity and a low impact on integrity, but no impact on confidentiality or availability. There is currently no known active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.9.9CPE matchmatch criteria
cpe:2.3:a:spiffyplugins:spiffy_calendar:*:*:*:*:*: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:N/I:L/A:N

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

Exploit Intelligence

EPSS Score
0.48%
Probability of exploitation in next 30 days
EPSS Percentile
38.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0048 is in the 24th 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/5d5da91e-3f34-46b0-8db2-354a88bdf934
ExploitThird Party Advisory