Secuno
ENNL
Book demo

CVE-2023-53905

Projectsend vulnerability

8.0 HIGHPublic exploitEPSS 0.50%
  1. Published17 Dec 2025

Description

ProjectSend r1605 contains a CSV injection vulnerability that allows authenticated users to inject malicious formulas into user profile names. Attackers can craft payloads like =calc|a!z| in the name field to trigger code execution when administrators export action logs as CSV files.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected products

Projectsendr1605

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-782098.2
exceljs through 4.4.0 fails to neutralize leading equals, plus, minus, or at signs in…
CVE-2026-195018.8
CSV export functionality in Brainstorm Force SureForms version, <= 2.12.1, fails to…
CVE-2026-477059.6
TypeBot is a chatbot builder tool. Version 3.16.1 has a CSV injection vulnerability in…
CVE-2026-52428.8
Improper neutralization of formula elements in a CSV file vulnerability in MIA…
CVE-2023-543488.8
ERPGo SaaS 3.9 contains a CSV injection vulnerability that allows authenticated…
CVE-2026-310499.8
An issue in Hostbill v.2025-11-24 and 2025-12-01 allows a remote attacker to execute…

Frequently asked

Is CVE-2023-53905 being actively exploited?

CVE-2023-53905 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 0.50%.

How severe is CVE-2023-53905?

CVE-2023-53905 has a CVSS 3.1 base score of 8.0, rated high. EPSS estimates a 0.50% probability of exploitation.

Which products are affected by CVE-2023-53905?

Affected products include Projectsend.

How do I fix CVE-2023-53905?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-53905 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.