CVE-2026-110039: unknown smush Incorrect Authorization
CVSS: 2.7v3.1LowDeferred
Published 16-10-2026Last modified 16-10-2026
Vulnerability summary
CVE-2026-110039 is a low (CVSS 2.7) Incorrect Authorization vulnerability in unknown smush. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 9.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
2.7/10
010
Low · v3.1 (CVE.org)EPSS score
0.21%
0%100%
Low · Change unavailableKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 16-10-2026PublishedVulnerability first disclosed.
- 16-10-2026Last modifiedVulnerability information updated.
Description
The Smush WordPress plugin before 4.3.4 does not restrict changes to a network-wide access setting to network administrators, allowing an administrator of a single site on a multisite network to change it for the entire network.
CVSS metrics
2 scores · 2 sources · 1 versionLow 2.7Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:NSourcesAll 2 agree
- NVDNIST2.7LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
10%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
16-10-202618-10-2026
EPSS score0.21%
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
- smush< 4.3.4
1 vendor · 1 product