Medium
Security advisory
XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 when View Source mode or Reader mode is used, as demonstrated by a a page title.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2021-45087
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 11:22 UTC · Revision 1
Source evidence
XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 when View Source mode or Reader mode is used, as demonstrated by a a page title.
osv:CVE-2021-45087
Complete source record
{
"id": "54bbb7f6d33f4fb90d8c3696d52ff4846d654365fbac963804b4d010ad49eaa3",
"url": "https://osv.dev/vulnerability/CVE-2021-45087",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2021-45087",
"summary": "XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 when View Source mode or Reader mode is used, as demonstrated by a a page title.",
"evidence": "osv:CVE-2021-45087",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2021-45087",
"aliases": [
"CVE-2021-45087"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://gitlab.gnome.org/gnome/epiphany",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "4088856b3371bda10adc3b818f58b3087b8f9dbc"
},
{
"introduced": "d8163fa7ea74b2be14da9d4217e9d3e0c41cdb2a"
},
{
"fixed": "18623a5da5bf2b492cf7725bc29c7997623f4de3"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:gnome:epiphany:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "40.4"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gnome:epiphany:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "41.0"
},
{
"fixed": "41.1"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"41.0",
"40.3",
"40.2",
"40.1",
"40.0",
"40.rc",
"40.beta",
"40.alpha",
"3.38.0",
"3.37.92",
"3.37.91",
"3.37.90",
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"3.37.2",
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"3.36.0",
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"3.35.2",
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"3.33.4",
"3.33.3",
"3.33.2",
"3.33.1",
"3.31.90",
"3.31.4",
"3.31.3",
"3.31.2",
"3.31.1",
"3.29.92",
"3.29.91",
"3.29.90",
"3.29.4",
"3.29.3",
"3.29.2",
"3.29.1",
"3.27.90",
"3.27.4",
"3.27.3",
"3.27.2",
"3.27.1",
"3.26.0",
"3.25.92",
"3.25.91",
"3.25.90",
"3.25.4",
"3.25.3",
"3.25.2",
"3.25.1",
"3.24.1",
"3.24.0",
"3.23.93",
"3.23.92",
"3.23.91.1",
"3.23.91",
"3.23.90",
"3.23.5",
"3.23.4",
"3.23.3",
"3.23.2.1",
"3.23.2",
"3.23.1.2",
"3.23.1.1",
"3.23.1",
"3.21.4",
"3.21.3",
"3.21.2",
"3.21.1",
"3.20.0",
"3.19.92",
"3.19.91",
"3.19.90",
"3.19.1",
"3.18.0",
"3.17.91",
"3.17.2",
"3.17.1",
"3.16.1",
"3.16.0",
"3.15.92",
"3.15.90",
"3.15.1",
"3.14.1",
"3.14.0",
"3.13.91",
"3.13.90",
"3.12.1",
"3.12.0",
"3.11.92",
"3.11.91",
"3.11.90",
"3.11.4",
"3.11.3",
"3.11.2",
"3.11.1",
"3.10.1",
"3.10.0",
"3.9.91",
"3.9.90",
"3.9.3",
"3.9.2",
"3.7.92",
"3.7.91",
"3.7.90",
"3.7.5",
"3.7.3",
"3.7.1",
"3.6.0",
"3.5.92",
"3.5.91.1",
"3.5.90",
"3.5.5",
"3.5.4",
"3.5.3",
"3.5.1",
"3.3.92",
"3.3.91",
"3.3.90",
"3.3.5",
"3.3.4.1",
"3.3.4",
"3.3.3",
"3.3.2",
"3.3.1",
"3.2.0",
"3.1.92",
"3.1.91.1",
"3.1.91",
"3.1.90",
"3.1.5",
"3.1.2",
"3.0.0",
"2.91.92",
"2.91.91.1",
"2.91.91",
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"2.91.5",
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"2.91.4",
"2.91.3",
"2.91.2",
"2.91.1.1",
"2.91.1",
"2.31.5",
"2.31.4",
"2.31.2",
"2.30.2",
"2.30.1",
"2.30",
"2.29.92",
"2.29.91",
"2.29.90",
"actual-2.29.6",
"2.29.6",
"2.29.5",
"2.29.3",
"2.29.1",
"2.27.92",
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"2.27.90",
"2.27.5",
"2.27.4",
"RELEASE_2_23_91",
"RELEASE_2_21_92",
"RELEASE_2_21_90",
"RELEASE_2_21_5",
"RELEASE_2_21_4",
"RELEASE_2_19_90",
"RELEASE_2_19_6",
"XULRUNNER_BRANCHPOINT",
"RELEASE_2_19_5",
"RELEASE_2_19_2",
"RELEASE_2_18_0",
"GNOME_2_18_BRANCHPOINT",
"RELEASE_2_17_92",
"WEBKIT_BRANCHPOINT",
"RELEASE_2_17_91",
"RELEASE_2_17_90",
"RELEASE_2_17_5",
"RELEASE_2_17_4",
"RELEASE_2_17_3",
"RELEASE_2_17_2",
"GNOME_2_16_BRANCHPOINT",
"RELEASE_2_16_0",
"RELEASE_2_15_92",
"RELEASE_2_5_91",
"RELEASE_2_15_4",
"RELEASE_2_15_3",
"RELEASE_2_15_2",
"RELEASE_2_15_1",
"RELEASE_2_14_0",
"GNOME_2_14_BRANCHPOINT",
"Release1999",
"Release198",
"Release196",
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"Release195",
"Release194",
"Release1931",
"Release193",
"Release192",
"Release191",
"BEFORE_HARVES18",
"GNOME_2_12_BRANCHPOINT",
"Release176",
"Release175",
"PRE_GNOME_2_14_BRANCHPOINT",
"Release174",
"Release173",
"Release172",
"Release171",
"Release160",
"GNOME_2_10_ANCHOR",
"Release158",
"Release157",
"Release156",
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"Release152",
"GTK_ENGINES_2_6_0",
"Release151",
"WEBCORE_BRANCHPOINT",
"help",
"gnome-2-8-branchpoint",
"pre-gnome-2-10-branchpoint",
"Release138",
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"Release073",
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"Release070",
"INITIAL"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-45087.json"
}
}
],
"modified": "2026-10-20T10:54:10.956920553Z",
"provider": "osv",
"references": [
"https://lists.debian.org/debian-lts-announce/2022/08/msg00006.html",
"https://www.debian.org/security/2022/dsa-5042",
"https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1045",
"https://gitlab.gnome.org/GNOME/epiphany/-/issues/1612"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "10.0"
},
{
"last_affected": "10.0"
},
{
"introduced": "11.0"
},
{
"last_affected": "11.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2021-45087",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 384925,
"published_at": "2021-12-16T03:15:10.31+00:00"
}