What is CVE-2018-8827?

CVE-2018-8827 is a medium-severity vulnerability in Technicolor Tg789vac, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-01-03.

How severe is CVE-2018-8827?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Technicolor Tg789vac

CVE-2018-8827

The admin web interface on Technicolor MediaAccess TG789vac v2 HP devices with firmware v16.3.7190-2761005-20161004084353 displays unsanitised user input, which allows an unauthenticated malicious user to embed JavaScript into the Log viewer interface via a crafted HTTP Referer header, aka XSS.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-01-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.012 (67.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 67.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Technicolor Tg789vac — versions 2
Technicolor Tg789vac Firmware — versions 16.3.7190-2761005-20161004084353

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

45.32.113.185/075a6fa2d5db3bf3457896bee6db6787.html (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-8827?: CVE-2018-8827 is a medium-severity vulnerability in Technicolor Tg789vac, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-01-03.
How severe is CVE-2018-8827?: Medium severity. CVSS v3 base score is 6.1 out of 10.