CVE-2026-14287TenWeb Speed Optimizer < 2.33.5 - Unauthenticated Stored XSS via Critical CSS Token Bypass
Updated under an hour ago ()
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It affects Unknown 10Web Booster. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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The 10Web Booster WordPress plugin before 2.33.5 does not correctly validate an access token on an unauthenticated request handler and does not escape attacker-supplied stylesheet content before rendering it into the page head, allowing an unauthenticated attacker to store markup that executes as JavaScript in the browser of anonymous visitors to an affected page.
- CVSS
- 4.7 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- WPScan
- NVD analysis
- Deferred
- Record last updated
- Aug 19, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Unknown 10Web Booster unknown:10web_booster (from the name) | before 2.33.5 | CNA record |
References
- https://wpscan.com/vulnerability/a0519e86-b77e-4354-a91d-ff729514d570/exploit, vdb-entry, technical-description
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.