A logic issue was addressed with improved state management.
A logic issue was addressed with improved state management. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, tvOS 13.3.1, Safari 13.0.5, iTunes for Windows 12.10.4, iCloud for Windows 11.0, iCloud for Windows 7.17. Processing maliciously crafted web content may lead to universal cross site scripting.
- Published
- Feb 27, 2020
- Updated
- Jun 16, 2026
- EPSS
- 1.4% · 71th percentile
- CWE
- CWE-79
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Report tools
Action score
24
Monitor
Low priority for now.
- CVSS
- 24 / 40 · 6.1 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 1.4%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| apple | icloud | cpe:2.3:a:apple:icloud |
| apple | itunes | cpe:2.3:a:apple:itunes |
| apple | safari | cpe:2.3:a:apple:safari |
| apple | ipados | cpe:2.3:o:apple:ipados |
| apple | iphone os | cpe:2.3:o:apple:iphone_os |
| apple | tvos | cpe:2.3:o:apple:tvos |
| opensuse | leap | cpe:2.3:o:opensuse:leap |
| webkitgtk | webkitgtk | cpe:2.3:a:webkitgtk:webkitgtk |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- apple icloudbefore 7.17
- apple icloud10.0 and later · up to 10.8 inclusive
- apple ipadosbefore 13.3.1
- apple iphone osbefore 13.3.1
- apple itunesbefore 12.10.4
- apple safaribefore 13.0.5
- apple tvosbefore 13.3.1
- opensuse leap15.1
- webkitgtk webkitgtkbefore 2.26.4
Versions reported by the vendor
Affected version ranges reported by the assigning authority (apple). Independent of NVD's CPE analysis and usually ahead of it.
Apple iCloud for Windows
- unspecified and later · before iCloud for Windows 11.0affected
Apple iCloud for Windows (Legacy)
- unspecified and later · before iCloud for Windows 7.17affected
Apple iOS
- unspecified and later · before iOS 13.3.1 and iPadOS 13.3.1affected
Apple iTunes for Windows
- unspecified and later · before iTunes for Windows 12.10.4affected
Apple Safari
- unspecified and later · before Safari 13.0.5affected
Apple tvOS
- unspecified and later · before tvOS 13.3.1affected
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:10 | webkit2gtk | before 2.26.4-1~deb10u1 | 2.26.4-1~deb10u1 |
| Debian:12 | webkit2gtk | before 2.26.4-1 | 2.26.4-1 |
| Debian:12 | wpewebkit | before 2.26.4-1 | 2.26.4-1 |
| openSUSE:Leap 15.1 | webkit2gtk3 | before 2.26.4-lp151.2.12.1 | 2.26.4-lp151.2.12.1 |
| SUSE:Linux Enterprise Module for Basesystem 15 | webkit2gtk3 | before 2.26.4-3.43.1 | 2.26.4-3.43.1 |
Same product
apple: all recordsOther highest-scoring records for the same primary product.
- CVE-2019-8506A type confusion issue was addressed with improved memory handling.KEV70This week
- CVE-2020-27932A type confusion issue was addressed with improved state handling.KEV64This week
- CVE-2020-9850A logic issue was addressed with improved restrictions.62This week
- CVE-2019-8600A memory corruption issue was addressed with improved input validation.45Plan
- CVE-2019-8746An out-of-bounds read was addressed with improved input validation.40Plan
- CVE-2020-9895A use after free issue was addressed with improved memory management.40Plan
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:webkit2gtk | 2.26.4-1 · Debian:12 | Package registry (OSV) |
| debian:wpewebkit | 2.26.4-1 · Debian:12 | Package registry (OSV) |
| opensuse:webkit2gtk3 | 2.26.4-lp151.2.12.1 · openSUSE:Leap 15.1 | Package registry (OSV) |
| suse:webkit2gtk3 | 2.26.4-3.43.1 · SUSE:Linux Enterprise Module for Basesystem 15 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- A user must open a link or visit a page.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- low · data can be read
- Integrity
- low · data or configuration can be modified
- Availability
- none
Impact can extend beyond the vulnerable component (scope changes).
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Changed
- Confidentiality impact
- Low
- Integrity impact
- Low
- Availability impact
- None
Weakness class (CWE)
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
nvd-primary
Root cause
User content is inserted into the page as HTML. The browser interprets the content as code rather than data.
The bug in code
The whole CWE-79 classA representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.
Vulnerable
commentEl.innerHTML = comment.body;Fixed
commentEl.textContent = comment.body;Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
—
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- lists.opensuse.org/opensuse-security-announce/2020-03/msg00004.html
- security.gentoo.org/glsa/202003-22
- support.apple.com/HT210947
- support.apple.com/HT210948
Vendor advisories and official records. Exploit/PoC links are deliberately left out.