CVE-2018-8918 — Cross-site scripting (XSS) vulnerability in info.cgi in Synology Router Manager (SRM) before 1.1.7-6941 allows remote attackers to inject arbitrary web script or HTML via the host parameter

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MEDIUM

Cross-site scripting (XSS) vulnerability in info.cgi in Synology Router Manager (SRM) before 1.1.7-6941 allows remote attackers to inject arbitrary web script or HTML via the host parameter

Published Dec 24, 2018

6.5

MEDIUM

CVSS 3.0

EPSS 0.80%

Description

Cross-site scripting (XSS) vulnerability in info.cgi in Synology Router Manager (SRM) before 1.1.7-6941 allows remote attackers to inject arbitrary web script or HTML via the host parameter.

Affected products

Vendor Synology Product Synology Router Manager (SRM) Default
n/a
- Version
  unspecified
  Status
  affected
  Constraints
  <1.1.7-6941

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Synology

Synology Router Manager (SRM)

n/a

Version	Status	Constraints
unspecified	affected	<1.1.7-6941

Remediation

No remediation recorded yet.

Metrics

0.80% 0.00803

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00803

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.80% (0.00803)	55.08th	v5 (v2026.06.15)
Sep 20, 2026	0.80% (0.00803)	55.13th	v5 (v2026.06.15)
Jul 20, 2024	0.05% (0.00054)	22.37th	v3 (v2023.03.01)
Jun 20, 2024	0.05% (0.00054)	21.93th	v3 (v2023.03.01)
Mar 7, 2023	0.05% (0.00054)	19.91th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)
Feb 3, 2022	0.56% (0.00556)	13.12th	v5 (v2026.06.15)
Apr 14, 2021	0.56% (0.00556)	0.00th	v1