Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | epiphany-browser | 41.2-1 | — |
| Debian 13 | epiphany-browser | 41.2-1 | — |
| Debian 12 | epiphany-browser | 41.2-1 | — |
| Debian 11 | epiphany-browser | 3.38.2-1+deb11u1 | DSA-5042-1 |
| Debian 10 | epiphany-browser | 3.32.1.2-3~deb10u2 | DLA-3074-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | epiphany-browser | 42.1-1ubuntu1 | USN-5561-1 |
| Ubuntu 20.04 LTS | epiphany-browser | 3.36.4-0ubuntu2 | USN-5561-1 |
| Ubuntu 18.04 LTS | epiphany-browser | No fix yet | — |
| Ubuntu 16.04 LTS | epiphany-browser | No fix yet | — |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | epiphany | 41.3-r0 | — |
| Alpine v3.23 | epiphany | 41.3-r0 | — |
| Alpine v3.22 | epiphany | 41.3-r0 | — |
| Alpine v3.21 | epiphany | 41.3-r0 | — |
| Alpine v3.20 | epiphany | 41.3-r0 | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | epiphany | 41.3-r0 | — |
| Alpine v3.18 | epiphany | 41.3-r0 | — |
| Alpine v3.17 | epiphany | 41.3-r0 | — |
| Alpine v3.16 | epiphany | 41.3-r0 | — |
| Alpine v3.15 | epiphany | 41.3-r0 | — |
Advisories 3
- USN-5561-1 epiphany-browser vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-5042-1 epiphany-browser - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3074-1 epiphany-browser - security update Debian Security (DSA / DLA) · Mar 9, 2026