Security readout for executives and security teams
Plain-English summary
mprweb could expose user email addresses even when users selected the option to hide them. This is a privacy issue, not a system takeover issue. It matters most where email anonymity is important, such as public package repository contributors using self-hosted mprweb instances.
Executive priority
Treat as a moderate privacy remediation item. Prioritize quickly for self-hosted public repositories where contributor anonymity matters, but it is not evidence of server compromise or broad operational disruption.
Technical view
CVE-2022-31185 is a CWE-200 information disclosure issue in makedeb mprweb. The application did not honor the Hide Email Address setting during signup or account management. Affected versions are before commit d13e3f2f5a9c0b0f6782f35d837090732026ad77. CVSS is 5.3, with low confidentiality impact only.
Likely exposure
Exposure is limited to makedeb mprweb deployments before the fixed commit. The official makedeb instance is reported fixed. Organizations that do not operate or rely on self-hosted mprweb are unlikely to have direct exposure.
Exploitation context
The provided sources do not show active exploitation, and this CVE is not listed as KEV. The practical risk is privacy loss, unwanted contact, spam, phishing targeting, or identity correlation for users who expected email addresses to remain hidden.
Researcher notes
Evidence supports a narrow confidentiality issue: email visibility ignored user preference. Sources do not identify broader affected products, exploit activity, or a formal release version beyond the fixing commit. Avoid expanding scope without vendor confirmation.
Mitigation direction
- Upgrade self-hosted mprweb to commit d13e3f2f5a9c0b0f6782f35d837090732026ad77 or later.
- Check the GitHub advisory for newer vendor guidance before deploying changes.
- Review whether exposed email addresses create notification or privacy obligations.
- Confirm the official hosted instance is not treated as affected in internal tracking.
Validation and detection
- Inventory any self-hosted mprweb deployments.
- Confirm deployed code is at or after the fixed commit.
- Review account privacy behavior against the Hide Email Address setting.
- Check whether public pages previously exposed emails for users with hidden-email preference.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2022-31185 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/makedeb/mprweb/security/advisories/GHSA-jm39-h693-678gCVE reference · x_refsource_CONFIRM
- https://github.com/makedeb/mprweb/commit/d13e3f2f5a9c0b0f6782f35d837090732026ad77CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
