CVE-2026-16608: unknown download monitor Missing Authorization
Vulnerability summary
CVE-2026-16608 is a medium (CVSS 5.3) Missing Authorization vulnerability in unknown download monitor. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.7% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 5.2.6.
Timeline
- 08-08-2026PublishedVulnerability first disclosed.
- 11-08-2026Last modifiedVulnerability information updated.
Description
The Download Monitor WordPress plugin before 5.2.6 does not perform authorization checks on one of its download-logging AJAX actions, and exposes the nonce protecting it to unauthenticated visitors, allowing unauthenticated users to inject arbitrary download log entries and inflate a site's download statistics.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- wordfenceSource5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS trend
Probability
0.30%
Chance of exploitation in the next 30 days
Percentile
22%
Versus all other CVEs
30-day change
+0.11 pp
From 0.20% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Unknown1 product
- download monitor< 5.2.6
Wordpress1 product
- download-monitor≤ 5.2.5 (fixed in 5.2.6)
2 vendors · 2 products