Is CVE-2022-31132 actively exploited?

No active exploitation of CVE-2022-31132 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-31132 be exploited remotely?

Yes. CVE-2022-31132 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-31132?

CVE-2022-31132 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2022-31132

CRITICAL

CVE-2022-31132

CWE-918Published: August 4, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

Nextcloud Mail is an email application for the nextcloud personal cloud product. Affected versions shipped with a CSS minifier on the path `./vendor/cerdic/css-tidy/css_optimiser.php`. Access to the minifier is unrestricted and access may lead to Server-Side Request Forgery (SSRF). It is recommendet to upgrade to Mail 1.12.7 or Mail 1.13.6. Users unable to upgrade may manually delete the file located at `./vendor/cerdic/css-tidy/css_optimiser.php`

NVD Source

Technical Analysis

CVE-2022-31132 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.