CVE-2024-32986

CRITICALNVD 9.69.6—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.6 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 69% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
9.6
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.6Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

PWAsForFirefox is a tool to install, manage and use Progressive Web Apps (PWAs) in Mozilla Firefox. Due to improper sanitization of web app properties (such as name, description, shortcuts), web apps were able to inject additional lines into XDG Desktop Entries (on Linux) and AppInfo.ini (on PortableApps.com). This allowed malicious web apps to introduce keys like Exec, which could run arbitrary code when the affected web app was launched. This vulnerability affects all Linux and PortableApps.com users of all PWAsForFirefox versions up to (excluding) 2.12.0. Windows and macOS users are not affected. This vulnerability has been fixed in commit 9932d4b which has been included in release in v2.12.0. The main fix is implemented in the native part, but the extension also contains additional fixes. All Linux and PortableApps.com users are advised to update to this version as soon as possible. It is also recommended for Windows and macOS users to update to this version, as it contains additional fixes related to properties sanitization. There are no known workarounds for this vulnerability.

CVSS v3
9.6
EG Score
9.6(medium)
EPSS
48.1%
KEV
Not listed

Published

May 3, 2024

Last Modified

April 15, 2026

Advisory Details (3)

Auto-updated May 21, 2026
Patch available. Sources: github.
github Patch Available

Arbitrary code execution due to improper sanitization of web app properties on Linux and PortableApps.com · Advisory · filips123/PWAsForFirefox · GitHub

https://github.com/filips123/PWAsForFirefox/security/advisories/GHSA-jmhv-m7v5-g5jq
generic

Release PWAsForFirefox 2.12.0 · filips123/PWAsForFirefox · GitHub

https://github.com/filips123/PWAsForFirefox/releases/tag/v2.12.0
generic

Fix improper sanitization of web app properties that lead to security… · filips123/PWAsForFirefox@9932d4b · GitHub

https://github.com/filips123/PWAsForFirefox/commit/9932d4b289631d447f88ace09a2fabafe4cd5bd5

Weakness Classification(3)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 12× in last 7d / 51× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 110 total refreshes for this CVE.

  1. 2026-07-11 08:26 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2024-32986?
CVE-2024-32986 is a critical vulnerability published on May 3, 2024. PWAsForFirefox is a tool to install, manage and use Progressive Web Apps (PWAs) in Mozilla Firefox. Due to improper sanitization of web app properties (such as name, description, shortcuts), web apps were able to inject additional lines into XDG Desktop Entries (on Linux) and AppInfo.ini (on…
When was CVE-2024-32986 disclosed?
CVE-2024-32986 was first published in the National Vulnerability Database on May 3, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-32986 actively exploited?
CVE-2024-32986 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 48.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-32986?
CVE-2024-32986 has a CVSS v3 base score of 9.6 (NVD).
How do I remediate CVE-2024-32986?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-32986, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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