How severe is CVE-2021-40925?

CVE-2021-40925 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-40925 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-40925?

CVE-2021-40925 affects Faveohelpdesk Faveo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-40925?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-40925 published?

CVE-2021-40925 was published on 2021-10-01 and last updated on 2026-06-17.

CVE-2021-40925

CVE-2021-40925 is a medium-severity vulnerability in Faveohelpdesk Faveo with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Faveohelpdesk Faveo
Published: 2021-10-01
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in dompdf/dompdf/www/demo.php infaveo-helpdesk v1.11.0 and below allow remote attackers to inject arbitrary web script or HTML via the $_SERVER["PHP_SELF"] parameter.

Frequently asked questions

What is CVE-2021-40925?: Cross-site scripting (XSS) vulnerability in dompdf/dompdf/www/demo.php infaveo-helpdesk v1.11.0 and below allow remote attackers to inject arbitrary web script or HTML via the $_SERVER["PHP_SELF"] parameter.
How severe is CVE-2021-40925?: CVE-2021-40925 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-40925 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-40925?: CVE-2021-40925 affects Faveohelpdesk Faveo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-40925?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-40925 published?: CVE-2021-40925 was published on 2021-10-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:faveohelpdesk:faveo:*:*:*:*:*:*:*:*

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →