Security readout for executives and security teams
Plain-English summary
CVE-2022-31048 is a medium-severity cross-site scripting issue in TYPO3’s backend Form Designer. It matters when an organization has TYPO3 sites where backend users can access the Form module. An attacker needs a valid backend account, so this is more about insider, compromised-account, or delegated-admin risk than unauthenticated internet takeover.
Executive priority
Treat this as a moderate priority patching and access-control issue. It is not described as actively exploited or unauthenticated, but TYPO3 backend accounts often have sensitive editorial or administrative capabilities, so affected systems should be upgraded in the normal security maintenance window.
Technical view
The vulnerability is CWE-79 in TYPO3 Form Framework’s Form Designer backend module. A valid backend user account with Form module access is required. CVSS 3.1 is 5.4 with low attack complexity, low privileges required, user interaction required, changed scope, low confidentiality and integrity impact, and no availability impact.
Likely exposure
Exposure is limited to TYPO3 deployments running affected versions before 8.7.47 ELTS, 9.5.34 ELTS, 10.4.29, or 11.5.11, where backend users can access the Form Designer module. Public website visitors are not described as direct attackers in the provided sources.
Exploitation context
The source bundle does not identify active exploitation, and this CVE is not listed as KEV. Exploitation requires an authenticated TYPO3 backend user with access to the Form module plus user interaction, reducing broad exposure but leaving risk from compromised or overly privileged backend accounts.
Researcher notes
Focus validation on TYPO3 core version and backend Form module permissions. The provided sources name the fixed versions and the affected version ranges, but do not provide evidence of exploitation in the wild. Avoid assuming impact beyond backend Form Designer XSS without vendor-specific confirmation.
Mitigation direction
- Upgrade TYPO3 to 8.7.47 ELTS, 9.5.34 ELTS, 10.4.29, or 11.5.11.
- Restrict Form Designer backend module access to trusted users until patched.
- Audit backend user permissions and remove unnecessary Form module access.
- Review TYPO3’s advisory for branch-specific upgrade guidance.
Validation and detection
- Inventory TYPO3 versions across all CMS deployments.
- Check for affected ranges: 8.x before 8.7.47, 9.x before 9.5.34, 10.x before 10.4.29, 11.x before 11.5.11.
- Verify which backend roles can access the Form Designer module.
- Confirm the fixed TYPO3 version is deployed after remediation.
- Review logs for unusual backend activity by Form module users.
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-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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-2022-31048 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
- 5.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/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:L/UI:R/S:C/C:L/I:L/A:N2.32.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/TYPO3/typo3/security/advisories/GHSA-3r95-23jp-mhvgCVE reference · x_refsource_CONFIRM
- https://github.com/TYPO3/typo3/commit/6f2554dc4ea0b670fd5599c54fd788d4db96c4a0CVE reference · x_refsource_MISC
- https://typo3.org/security/advisory/typo3-core-sa-2022-003CVE 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.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.