CVE-2023-23660: mainwp mainwp_maintenance_extension SQL Injection
CVSS: 8.8v3.1HighModified
Published 18-07-2023Last modified 28-04-2026
Vulnerability summary
CVE-2023-23660 is a high (CVSS 8.8) SQL Injection vulnerability in mainwp mainwp_maintenance_extension. EPSS estimates a 0.78% chance of exploitation in the next 30 days, higher than 55.1% of scored vulnerabilities. Fixed in 4.1.2.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
0.78%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 18-07-2023PublishedVulnerability first disclosed.
- 28-04-2026Last modifiedVulnerability information updated.
Description
Auth. (subscriber+) SQL Injection (SQLi) vulnerability in MainWP MainWP Maintenance Extension plugin <= 4.1.1 versions.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources3 sources · 8.5–8.8
- CVE.orgCNA8.5HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:LDiffers
- wordfenceSource8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.78%
Chance of exploitation in the next 30 days
Percentile
55%
Versus all other CVEs
30-day change
0.00 pp
From 0.78% on 20-09-2026
20-09-202620-10-2026
EPSS score0.78%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mainwp1 product
- mainwp_maintenance_extension≥ n/a, ≤ 4.1.1 | ≤ 4.1.1
Wordpress1 product
- mainwp-maintenance-extension≤ 4.1.1 (fixed in 4.1.2)
2 vendors · 2 products
References
3 links- patchstack.com/articles/multiple-vulnerabilities-affecting-mainwp-extensions?_s_id=cveThird Party AdvisoryTechnical Description