5.3

CVE-2023-6557: stellarwp the_events_calendar Missing Authorization

CVSS: 5.3v3.1MediumModified
Published 05-02-2024Last modified 08-04-2026
Open JSON

Vulnerability summary

CVE-2023-6557 is a medium (CVSS 5.3) Missing Authorization vulnerability in stellarwp the_events_calendar. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.9% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.56%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-02-2024
    PublishedVulnerability first disclosed.
  2. 08-04-2026
    Last modifiedVulnerability information updated.

Description

The The Events Calendar plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 6.2.8.2 via the route function hooked into wp_ajax_nopriv_tribe_dropdown. This makes it possible for unauthenticated attackers to extract potentially sensitive data including post titles and IDs of pending, private and draft posts.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.56%

Chance of exploitation in the next 30 days

Percentile

46%

Versus all other CVEs

30-day change

0.00 pp

From 0.56% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.56%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Stellarwp1 product
Wordpress1 product
  • the-events-calendar≤ 6.2.8.2 (fixed in 6.2.9)

2 vendors · 2 products

References

3 links