CVE-2023-4797: Newsletter Lite < 4.9.3 - Admin+ Command Injection
Vulnerability summary
CVE-2023-4797 is a high (CVSS 7.2) Command Injection vulnerability in tribulant newsletters. EPSS estimates a 0.96% chance of exploitation in the next 30 days, higher than 61.3% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 4.9.3.
Timeline
- 16-01-2024PublishedVulnerability first disclosed.
- 11-06-2025Last modifiedVulnerability information updated.
Description
The Newsletters WordPress plugin before 4.9.3 does not properly escape user-controlled parameters when they are appended to SQL queries and shell commands, which could enable an administrator to run arbitrary commands on the server.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST7.2HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- wordfenceSource6.6MediumCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.96%
Chance of exploitation in the next 30 days
Percentile
61%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.96% on 24-09-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.
- CWE-78Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.
Affected systems
Tribulant1 product
- newsletters< 4.9.3
Unknown1 product
- newsletters< 4.9.3
Wordpress1 product
- newsletters-lite≤ 4.9.2 (fixed in 4.9.3)
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/de169fc7-f388-4abb-ab94-12522fd1ac92/ExploitVDB EntryTechnical DescriptionThird Party Advisory