Back to CVE records
High 7.1Published Aug 23, 2026
CVE-2026-77115Brave Popup Builder < 0.8.6 - Unauthenticated Reflected XSS via UTM Parameters
Updated under an hour ago ()
Does this affect you?
It affects Unknown Brave. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Start free and add your stack
Free account, 1 product
Brave Popup Builder (brave-popup-builder) up to version 0.8.5 reflects UTM query parameters into popup form HTML without escaping them.
- CVSS
- 7.1 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
- 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 23, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Unknown Brave unknown:brave (from the name) | before 0.8.6 | CNA record |
References
- https://wpscan.com/vulnerability/d4a760c0-8e71-4261-a08b-9b6a296c631a/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.