CVE-2025-45755: A Stored Cross-Site Scripting (XSS) vulnerability exists in Vtiger CRM Open Source Edition v8.3.0, exploitable

Routine

MEDIUM 6.1DOWNGRADE

CVE-2025-45755 is a medium-severity flaw (CVSS 6.1) affecting vtiger crm. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Stored Cross-Site Scripting (XSS) vulnerability exists in Vtiger CRM Open Source Edition v8.3.0, exploitable via the Services Import feature. An attacker can craft a malicious CSV file containing an XSS payload, mapped to the Service Name field. When the file is uploaded, the application improperly sanitizes user input, leading to persistent script execution.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 76%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-05-21
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: vtiger

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-05-21 20:15 UTCPublished CVE record published
2026-06-17 09:25 UTCUpdated Record last modified

vtiger vtiger crm DOWNGRADE

Affected: 8.3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.3.0

1. Check installed version

apt-cache policy vtiger-crm || rpm -q vtiger-crm || vtiger-crm --version

2. No fixed release: DOWNGRADE to a release before 8.3.0 (Debian / Ubuntu)

apt-cache madison vtiger-crm sudo apt install vtiger-crm=<VERSION_BEFORE_8.3.0> sudo apt-mark hold vtiger-crm

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list vtiger-crm sudo dnf downgrade vtiger-crm-<VERSION_BEFORE_8.3.0> sudo dnf versionlock add vtiger-crm

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-45755?

vtiger crm: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-45755 being exploited?

CVE-2025-45755 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-45755 affect?

CVE-2025-45755 affects vtiger crm. Severity is medium (CVSS 6.1). A Stored Cross-Site Scripting (XSS) vulnerability exists in Vtiger CRM Open Source Edition v8.3.0, exploitable via the Services Import feature. An attacker can craft a malicious CSV file containing an XSS payload, mapped to the Service Name

How urgent is CVE-2025-45755?

Priority 27/100. No elevated risk signals yet.

Related CVEs

CVE-2024-44779 CRITICAL 9.6 DOWNGRADE A reflected cross-site scripting (XSS) vulnerability in the viewname parameter in the index page of vTiger CRM
CVE-2024-44778 CRITICAL 9.6 DOWNGRADE A reflected cross-site scripting (XSS) vulnerability in the parent parameter in the index page of vTiger CRM 7
CVE-2024-44777 CRITICAL 9.6 DOWNGRADE A reflected cross-site scripting (XSS) vulnerability in the tag parameter in the index page of vTiger CRM 7.4.
CVE-2024-44776 MEDIUM 6.1 DOWNGRADE An Open Redirect vulnerability in the page parameter of vTiger CRM v7.4.0 allows attackers to redirect users t
CVE-2025-45753 HIGH 7.2 DOWNGRADE A vulnerability in Vtiger CRM Open Source Edition v8.3.0 allows an attacker with admin privileges to execute a

References

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