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Vulnerability details: VCID-qhqm-svch-g3ax
Vulnerability ID VCID-qhqm-svch-g3ax
Aliases CVE-2021-45086
Summary XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 because a server's suggested_filename is used as the pdf_name value in PDF.js.
Status Published
Exploitability 0.5
Weighted Severity 5.5
Risk 2.8
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
System Score Found at
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
epss 0.00316 https://api.first.org/data/v1/epss?cve=CVE-2021-45086
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2021-45086
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2021-45086
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2021-45086
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45085
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45086
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45087
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45088
https://gitlab.gnome.org/GNOME/epiphany/-/issues/1612
https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1045
https://www.debian.org/security/2022/dsa-5042
cpe:2.3:a:gnome:epiphany:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnome:epiphany:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
CVE-2021-45086 https://nvd.nist.gov/vuln/detail/CVE-2021-45086
USN-5561-1 https://usn.ubuntu.com/5561-1/
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-45086
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2021-45086
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.54141
EPSS Score 0.00316
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:35:42.732840+00:00 Alpine Linux Importer Import https://secdb.alpinelinux.org/v3.15/community.json 37.0.0