4.3

CVE-2026-28871: apple ios and ipados Cross-site Scripting

CVSS: 4.3v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2026-28871DEBIAN-CVE-2026-28871
Published 25-03-2026Last modified 17-08-2026

Vulnerability summary

CVE-2026-28871 is a medium (CVSS 4.3) Cross-site Scripting vulnerability in apple ios and ipados. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 19.6% of scored vulnerabilities.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.29%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 14 · Related 4

Timeline

  1. 25-03-2026
    PublishedVulnerability first disclosed.
  2. 17-08-2026
    Last modifiedVulnerability information updated.

Description

A logic issue was addressed with improved checks. 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. Visiting a maliciously crafted website may lead to a cross-site scripting attack.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

+0.01 pp

From 0.28% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.29%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Apple5 products
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 · 12 products

References

8 links