The issue was addressed with improved checks. This issue is fixed in Safari 18.5, iOS 18.5 and iPadOS 18.5, macOS Sequoia 15.5, tvOS 18.5, visionOS 2.5, watchOS 11.5. A malicious website may exfiltrate data cross-origin.
Conclusion & alert: CVE-2025-31205 is rated Low Risk (36.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.37%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.17% | 0.37% | +0.20% |
| 2 | 2026-03-08 | 0.05% | 0.17% | +0.12% |
| 3 | 2026-02-05 | — | 0.05% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2025-31205 not yet assigned priority: Debian including 2 source packages (webkit2gtk, wpewebkit), 10 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 8, open 2. | https://security-tracker.debian.org/tracker/CVE-2025-31205 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2025-31205 |
suse
|
medium | CVE-2025-31205 severity moderate: SUSE including 96 source package names (WebKitGTK-4.0-lang-2.48.2-150400.4.119.1, WebKitGTK-4.0-lang-2.48.2-150600.12.40.2, …), 375 product×package rows across 30 product lines (SUSE Enterprise Storage 7.1, SUSE Liberty Linux 8, … (30 product lines)): Fixed 375. | https://www.suse.com/security/cve/CVE-2025-31205/ |
ubuntu
|
medium | CVE-2025-31205 medium priority: Ubuntu including 5 source packages (qtwebkit-opensource-src, qtwebkit-source, webkit2gtk, webkitgtk, wpewebkit), 38 status rows across 8 suites (bionic, focal, jammy, noble, oracular, plucky, upstream, xenial): ignored 15, DNE 14, released 5, needs-triage 4. | https://ubuntu.com/security/CVE-2025-31205 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| apple | safari | < 18.5 | cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:* |
| apple | ipados | < 18.5 | cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:* |
| apple | iphone_os | < 18.5 | cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:* |
| apple | macos | < 15.5 | cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:* |
| apple | tvos | < 18.5 | cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:* |
| apple | visionos | < 2.5 | cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:* |
| apple | watchos | < 11.5 | cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://support.apple.com/en-us/122404 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/122716 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/122719 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/122720 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/122721 | Release Notes Vendor Advisory |
| https://support.apple.com/en-us/122722 | Release Notes Vendor Advisory |
| http://seclists.org/fulldisclosure/2025/May/10 | |
| http://seclists.org/fulldisclosure/2025/May/12 | |
| http://seclists.org/fulldisclosure/2025/May/13 | |
| http://seclists.org/fulldisclosure/2025/May/5 | |
| http://seclists.org/fulldisclosure/2025/May/7 | |
| https://lists.debian.org/debian-lts-announce/2025/06/msg00016.html |