CVE-2026-28861: apple ios and ipados Cross-site Scripting
CVSS: 4.3v3.1MediumModified
AliasesUBUNTU-CVE-2026-28861DEBIAN-CVE-2026-28861
Published 25-03-2026Last modified 17-08-2026
Vulnerability summary
CVE-2026-28861 is a medium (CVSS 4.3) Cross-site Scripting vulnerability in apple ios and ipados. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 8.6% of scored vulnerabilities.
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)EPSS score
0.20%
0%100%
Low · -0.11 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 4Timeline
- 25-03-2026PublishedVulnerability first disclosed.
- 17-08-2026Last modifiedVulnerability information updated.
Description
A logic issue was addressed with improved state management. This issue is fixed in Safari 26.4, iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Tahoe 26.4, visionOS 26.4. A malicious website may be able to access script message handlers intended for other origins.
CVSS metrics
4 scores · 4 sources · 1 versionMedium 4.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- OSV · DebianEcosystem advisory · calculated4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- NVDNIST4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.20%
Chance of exploitation in the next 30 days
Percentile
9%
Versus all other CVEs
30-day change
-0.11 pp
From 0.31% on 19-09-2026
19-09-202619-10-2026
EPSS score0.20%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
- CWE-346Origin Validation ErrorThe product does not properly verify that the source of data or communication is valid.
Affected systems
Apple6 products
- ios and ipados< 18.7.7 | < 26.4
- ipados< 18.7.7 | ≥ 26.0, < 26.4
- iphone_os< 18.7.7 | ≥ 26.0, < 26.4
- macos< 26.4
- safari< 26.4
Ubuntu5 products
- qtwebkit-opensource-srcAll versions (No fix recorded)
- qtwebkit-sourceAll versions (No fix recorded)
- webkit2gtkAll versions (No fix recorded) | < 2.52.3-0ubuntu0.24.04.1 | < 2.52.3-0ubuntu0.25.10.1 | < 2.52.3-0ubuntu0.26.04.2
- webkitgtkAll versions (No fix recorded)
- wpewebkitAll versions (No fix recorded)
Debian2 products
- webkit2gtkAll versions (No fix recorded) | < 2.52.3-2~deb13u1 | < 2.52.1-1
- wpewebkitAll versions (No fix recorded) | < 2.52.1-1
3 vendors · 13 products
