CVE-2023-50376: simple-membership-plugin simple_membership Cross-site Scripting
CVSS: 7.1v3.1HighModified
Published 19-12-2023Last modified 28-04-2026
Vulnerability summary
CVE-2023-50376 is a high (CVSS 7.1) Cross-site Scripting vulnerability in simple-membership-plugin simple_membership. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.4% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v3.1 (CVE.org)EPSS score
0.46%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 19-12-2023PublishedVulnerability first disclosed.
- 28-04-2026Last modifiedVulnerability information updated.
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in smp7, wp.Insider Simple Membership allows Reflected XSS.This issue affects Simple Membership: from n/a through 4.3.8.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:LSources3 sources · 6.1–7.1
- NVDNIST6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NDiffers
- wordfenceSource6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.46%
Chance of exploitation in the next 30 days
Percentile
38%
Versus all other CVEs
30-day change
0.00 pp
From 0.46% on 19-09-2026
19-09-202619-10-2026
EPSS score0.46%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Simple-membership-plugin1 product
- simple_membership≤ 4.3.8
Smp7, wp.insider1 product
- simple membership≥ n/a, ≤ 4.3.8
Wordpress1 product
- simple-membership< 4.3.9
3 vendors · 3 products