CVE-2023-5238: metagauss eventprime Cross-site Scripting
CVSS: 6.1v3.1MediumModified
Published 31-10-2023Last modified 22-04-2025
Vulnerability summary
CVE-2023-5238 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in metagauss eventprime. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 34.9% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 3.2.0.
CVSS score
6.1/10
010
Medium · v3.1 (CVE.org)EPSS score
0.42%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 31-10-2023PublishedVulnerability first disclosed.
- 22-04-2025Last modifiedVulnerability information updated.
Description
The EventPrime WordPress plugin before 3.2.0 does not sanitise and escape a parameter before outputting it back in the page, leading to an HTML Injection on the plugin in the search area of the website.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 6.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSources3 sources · 4.3–6.1
- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- wordfenceSource4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:NDiffers
EPSS trend
Probability
0.42%
Chance of exploitation in the next 30 days
Percentile
35%
Versus all other CVEs
30-day change
0.00 pp
From 0.42% on 20-09-2026
20-09-202620-10-2026
EPSS score0.42%
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-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.
- CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
Affected systems
Metagauss1 product
- eventprime< 3.2.0
Unknown1 product
- eventprime< 3.2.0
Wordpress1 product
- eventprime-event-calendar-management< 3.2.0
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/47a5fbfd-f47c-4356-8567-b29dadb48423ExploitVDB EntryTechnical DescriptionThird Party Advisory