CVE-2022-36318

Name: CVE-2022-36318
Creator: NVD / NIST
Published: 2022-12-22T20:15:35.617+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 0.49%

Last modified Jun 17, 2026

CVE-2022-36318 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. When visiting directory listings for `chrome://` URLs as source text, some parameters were reflected. This vulnerability affects Firefox ESR < 102.1, Firefox ESR < 91.12, Firefox < 103, Thunderbird < 102.1, and Thunderbird < 91.12.. EPSS estimates a 0.49% chance of exploitation in the next 30 days.

Description

When visiting directory listings for `chrome://` URLs as source text, some parameters were reflected. This vulnerability affects Firefox ESR < 102.1, Firefox ESR < 91.12, Firefox < 103, Thunderbird < 102.1, and Thunderbird < 91.12.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS Probability

0.49%

38.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 103.0
Mozilla	Firefox Esr	< 102.1
Mozilla	Thunderbird	< 102.1
Mozilla	Firefox Esr	< 91.12
Mozilla	Thunderbird	< 91.12

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1771774Issue Tracking, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-28/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-29/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-30/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-31/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-32/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1771774Issue Tracking, Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-28/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-29/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-30/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-31/Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2022-32/Vendor Advisory

Timeline

Published: Dec 22, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-36318?

How severe is CVE-2022-36318?

CVE-2022-36318 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 0.49% probability of exploitation in the next 30 days.

How do I fix CVE-2022-36318?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-36318?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST