CVE-2021-40886

6.5 MEDIUM

Projectsend version r1295 is affected by a directory traversal vulnerability

Published: 2021-10-11 · Last updated: 2026-06-17

Severity and scoring

CVSS: 6.5 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CWE: CWE-22

Affected products

Vendor	Product
projectsend	projectsend

Description

Projectsend version r1295 is affected by a directory traversal vulnerability. A user with Uploader role can add value `2` for `chunks` parameter to bypass `fileName` sanitization.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-40886
[Exploit reference]https://github.com/projectsend/projectsend/issues/993
[Exploit reference]https://github.com/projectsend/projectsend/issues/993

Related CVEs

Same vendor

CVE-2021-40888 — Projectsend version r1295 is affected by Cross Site Scripting (XSS) due to lack of sanitization when echo output data in returnFilesIds()... (5.4 MEDIUM)
CVE-2021-40887 — Projectsend version r1295 is affected by a directory traversal vulnerability (9.8 CRITICAL)
CVE-2021-40884 — Projectsend version r1295 is affected by sensitive information disclosure (8.1 HIGH)

Same CWE

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CVE-2026-49766 — Subscriber Arbitrary File Deletion in WP User Manager <= 2.9.16 versions (9.9 CRITICAL)
CVE-2026-49061 — Unauthenticated Arbitrary File Download in WPC Product Options for WooCommerce <= 3.2.1 versions (7.5 HIGH)
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