# Webkitgtk vulnerabilities & exploitation

**CISA KEV**

> As of 2026-10-05, Threadlinqs tracks 7 Webkitgtk CVEs, 7 in the CISA Known Exploited Vulnerabilities catalog, linked to 2 tracked threat campaigns and 3 named threat actors.

**Data as of:** 2026-10-05

## Exploitation timeline

Threadlinqs has recorded 7 Webkitgtk CVEs published between 2021-08-15 and 2023-11-15. The busiest month was 2023-06 (2 new CVEs). 7 of them (100%) are listed in CISA KEV, which means exploitation in the wild has been confirmed.

## Most exploited vulnerabilities

Ranked with CISA KEV listings first, then EPSS exploit probability, then CVSS score. Showing 7 of 7 tracked Webkitgtk CVEs.

- [CVE-2023-41993](https://intel.threadlinqs.com/cve/CVE-2023-41993) — HIGH 8.8 · KEV · EPSS 24.4% · 2023-09-21
- [CVE-2021-30952](https://intel.threadlinqs.com/cve/CVE-2021-30952) — HIGH 7.8 · KEV · EPSS 1.2% · 2021-08-24
- [CVE-2023-28204](https://intel.threadlinqs.com/cve/CVE-2023-28204) — MEDIUM 6.5 · KEV · EPSS 0.1% · 2023-06-23
- [CVE-2023-42917](https://intel.threadlinqs.com/cve/CVE-2023-42917) — HIGH 8.8 · KEV · EPSS 0.1% · 2023-11-30
- [CVE-2023-37450](https://intel.threadlinqs.com/cve/CVE-2023-37450) — HIGH 8.8 · KEV · EPSS 0.1% · 2023-07-27
- [CVE-2023-42916](https://intel.threadlinqs.com/cve/CVE-2023-42916) — MEDIUM 6.5 · KEV · EPSS 0% · 2023-11-30
- [CVE-2023-32373](https://intel.threadlinqs.com/cve/CVE-2023-32373) — HIGH 8.8 · KEV · EPSS 0% · 2023-06-23

## Products affected

Threadlinqs normalises CPE and CNA product records across all 7 CVEs; 2 distinct Webkitgtk products are affected. The most frequently affected:

- Webkitgtk+ — 6 CVEs
- Webkitgtk — 1 CVE

## Threat activity

2 tracked threat campaigns reference Webkitgtk products or exploit Webkitgtk CVEs:

- [Hack-for-Hire Espionage Campaign Targeting MENA Civil Society via Predator/Intellexa Mercenary Spyware](https://intel.threadlinqs.com/threat/TL-2026-0333) — HIGH — 2026-04-08
- [Coruna iOS Exploit Kit — 23 Exploits Across 5 Chains Targeting iOS 13-17.2.1 (CVE-2021-30952, CVE-2023-41974, CVE-2023-43000 + 20 More)](https://intel.threadlinqs.com/threat/TL-2026-0186) — CRITICAL — 2026-03-06

## Threat actors targeting Webkitgtk

Named threat actors attributed to campaigns that involve Webkitgtk products or CVEs, with the number of linked campaigns:

- [Cytrox](https://intel.threadlinqs.com/actor/Cytrox) — 1 campaign
- [UNC6353](https://intel.threadlinqs.com/actor/UNC6353) — 1 campaign
- [UNC6691](https://intel.threadlinqs.com/actor/UNC6691) — 1 campaign

## How to prioritise Webkitgtk patching

This order follows the data Threadlinqs holds for Webkitgtk, not a generic severity checklist:

- 7 of 7 Webkitgtk CVEs (100%) are in CISA KEV: treat them as actively exploited and remediate them first, starting with [CVE-2023-41993](https://intel.threadlinqs.com/cve/CVE-2023-41993), [CVE-2021-30952](https://intel.threadlinqs.com/cve/CVE-2021-30952), [CVE-2023-28204](https://intel.threadlinqs.com/cve/CVE-2023-28204).
- 0 CVEs score Critical and 5 High on CVSS v3 (maximum 8.8, average 8); sequence these after KEV and high-EPSS items.

## About this data

Vendor attribution comes from the CNA and CPE product records of each CVE, folded to one vendor name; CVSS, EPSS and KEV status are read from the Threadlinqs CVE catalog; campaign and actor links come from tracked threat records. Counts reflect the data as of 2026-10-05 and refresh daily.

Canonical: https://intel.threadlinqs.com/vendors/webkitgtk
All vendors: https://intel.threadlinqs.com/vendors
Full detection coverage and IOCs via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp