CVE-2026-16032 json
LWS Optimize < 4.1.2 - Unauthenticated Stored XSS via Real User Monitoring
published 2026-08-09 3 mo ago modified 2026-08-26 2 mo ago also EUVD-2026-54883
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 20%
- public exploits
- 0
- none known
Summary
The LWS Optimize WordPress plugin before 4.1.2 does not properly escape a value submitted through an unauthenticated analytics endpoint before storing it and rendering it in an administrative dashboard, allowing unauthenticated attackers to inject arbitrary web scripts that execute when an administrator views the affected dashboard page.
Patch / fix
- Unknown LWS Optimize 4.1.2
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.27% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/f8520320-527b-4b30-9bac-f6e538154a40/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected products
- Unknown LWS Optimize
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
- Technology feeds
References
-
wpscan.com
/vulnerability/f8520320-527b-4b30-9bac-f6e538154a40/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-16032
- NVD CVE-2026-16032
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.