CVE-2023-6158

EventON - WordPress Virtual Event Calendar Plugin Pro <= 4.5.4 & Free <= 2.2.7 - Missing Authorization to Arbitrary Post Meta Update via evo_eventpost_update_meta

MEDIUM
6.5
CVSS Score
Published: January 10, 2024 at 02:32 PM UTC
Updated: June 17, 2026 at 06:50 AM UTC
4 products affected across 3 vendorsEventonEventon LiteEventON

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

The EventON - WordPress Virtual Event Calendar Plugin plugin for WordPress is vulnerable to unauthorized modification of data and loss of data due to a missing capability check on the evo_eventpost_update_meta function in all versions up to, and including, 4.5.4 (for Pro) and 2.2.7 (for free). This makes it possible for unauthenticated attackers to update and remove arbitrary post metadata. Note that certain parameters may allow for content injection.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Eventon· Myeventonwordpress-plugin
95%
v ≤ 4.5.4
Eventon Lite· Myeventonwordpress-plugin
95%
v ≤ 2.2.7
EventON· Ashanjaywordpress-plugin
60%
v ≤ 2.2.7
EventON· Eventonwordpress-plugin
60%
v ≤ 4.5.4

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.5MEDIUMWordfence
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-862

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