CVE-2023-6005: myeventon eventon Improper Encoding or Escaping of Output
Vulnerability summary
CVE-2023-6005 is a medium (CVSS 4.8) Improper Encoding or Escaping of Output vulnerability in myeventon eventon. EPSS estimates a 0.43% chance of exploitation in the next 30 days, higher than 35.7% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 4.5.5 and 2.2.8.
Timeline
- 16-01-2024PublishedVulnerability first disclosed.
- 20-06-2025Last modifiedVulnerability information updated.
Description
The EventON WordPress plugin before 4.5.5, EventON WordPress plugin before 2.2.7 does not sanitize and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST4.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- wordfenceSource4.4MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.43%
Chance of exploitation in the next 30 days
Percentile
36%
Versus all other CVEs
30-day change
0.00 pp
From 0.43% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-116Improper Encoding or Escaping of OutputThe product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
Affected systems
Wordpress2 products
- eventon≤ 4.5.4 (fixed in 4.5.5)
- eventon-lite≤ 2.2.7 (fixed in 2.2.8)
Myeventon1 product
- eventon< 2.2.7 | ≥ 4.0, < 4.5.5
Unknown1 product
- eventon< 4.5.5 | < 2.2.7
3 vendors · 4 products
References
2 links- wpscan.com/vulnerability/fa4eea26-0611-4fa8-a947-f78ddf46a56a/ExploitVDB EntryTechnical DescriptionThird Party Advisory