Security readout for executives and security teams
Plain-English summary
This is an XSS issue in webtareas 2.4p5 calendar views. A logged-in attacker can place malicious HTML or script in a calendar Subject field and have it run when another user views the calendar. Business impact is mainly account/session exposure or content manipulation inside the app, not server takeover.
Executive priority
Schedule remediation as a moderate-priority application security fix. Escalate if webtareas is internet-facing, used by privileged staff, or lacks compensating access controls.
Technical view
CVE-2022-44962 affects /calendar/viewcalendar.php in webtareas 2.4p5. The CVSS 3.1 vector is AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N, indicating network reachability, low complexity, required privileges, required user interaction, changed scope, and limited confidentiality and integrity impact.
Likely exposure
Exposure appears limited to organizations running webtareas 2.4p5 with the calendar feature available to authenticated users. The source bundle does not identify affected CPEs, vendors, other versions, or hosted-service exposure.
Exploitation context
The issue has a public GitHub reference, but the bundle does not show CISA KEV listing or cited evidence of active exploitation. Treat it as publicly known, not confirmed exploited in the wild.
Researcher notes
Evidence is narrow: the bundle names webtareas 2.4p5, /calendar/viewcalendar.php, and the Subject field. It does not identify a patch, affected CPEs, broader version range, or exploitation in the wild. Avoid extrapolating beyond those facts.
Mitigation direction
- Check the webtareas project for a patched release or official guidance.
- Restrict webtareas access to trusted users until remediation is confirmed.
- Ensure Subject values are safely encoded before rendering in calendar views.
- Review calendar entries for suspicious HTML or script-like content.
- Use browser security controls such as CSP as defense in depth.
Validation and detection
- Inventory whether webtareas 2.4p5 is deployed anywhere.
- Confirm whether /calendar/viewcalendar.php is reachable by authenticated users.
- Review calendar Subject handling for output encoding or sanitization.
- Safely test in an authorized non-production environment with benign markup.
- Check application logs and database records for suspicious Subject values.
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-2022-44962 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.
SSVC decision data
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:N2.32.7CISA-ADPVulnerability 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
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/anhdq201/webtareas/issues/12CVE reference, mitre
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
Improper Neutralization of Input During Web Page Generation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.