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TI-2021-18487 Aliases CVE-2021-41917GHSA-xqp5-p8c3-h4gm

webTareas version 2.4 and earlier allows an authenticated user to store arbitrary web…

Priority LOW 25CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

webTareas version 2.4 and earlier allows an authenticated user to store arbitrary web script or HTML by creating or editing a client name in the clients section, due to incorrect sanitization of user-supplied data and achieve a Stored Cross-Site Scripting attack against the platform users and administrators. The affected endpoint is /clients/editclient.php, on the HTTP POST cn parameter.

Why it matters now

EPSS 0.00568 47th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:webtareas_project:webtareas:*:*:*:*:*:*:*:*up to 2.4VulnerableWebtareas Project
  • cpe:2.3:a:webtareas_project:webtareas:*:*:*:*:*:*:*:* Versions up to 2.4 Vulnerable ·Webtareas Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-41917
  2. 2026-10-03 Alias added: GHSA-xqp5-p8c3-h4gm

References

  • TI-2022-21761 webTareas 2.4p5 was discovered to contain a SQL injection vulnerability via the id parameter in phasesets.php. CVSS 3.1CRITICAL 9.8
  • TI-2022-21760 webTareas 2.4p5 was discovered to contain a SQL injection vulnerability via the id… CVSS 3.1CRITICAL 9.8
  • TI-2022-22114 webtareas 2.4p5 was discovered to contain a cross-site scripting (XSS) vulnerability in… CVSS 3.1MEDIUM 5.4
  • TI-2022-22113 webtareas 2.4p5 was discovered to contain a cross-site scripting (XSS) vulnerability in… CVSS 3.1MEDIUM 5.4
  • TI-2022-22112 webtareas 2.4p5 was discovered to contain a cross-site scripting (XSS) vulnerability in… CVSS 3.1MEDIUM 5.4
  • TI-2022-22111 webtareas 2.4p5 was discovered to contain a cross-site scripting (XSS) vulnerability in… CVSS 3.1MEDIUM 5.4
See all 26 →

Sources