How severe is CVE-2025-40977?

CVE-2025-40977 has a CVSS 4.0 base score of 5.1, rated medium severity.

Is CVE-2025-40977 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-40977?

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

Does CVE-2025-40977 have an EU (EUVD) identifier?

Yes. CVE-2025-40977 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1940.

When was CVE-2025-40977 published?

CVE-2025-40977 was published on 2026-01-12 and last updated on 2026-06-17.

CVE-2025-40977

CVE-2025-40977 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.1. 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 4.0 base score 5.1)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1940
Weakness: CWE-79
Published: 2026-01-12
Last modified: 2026-06-17

Description

Stored Cross-Site Scripting (XSS) vulnerability in WorkDo's eCommerceGo SaaS, consisting of a lack of proper validation of user input by sending a POST request to ‘/store-ticket’, using the ‘subject’ and ‘description’ parameters.

Frequently asked questions

What is CVE-2025-40977?: Stored Cross-Site Scripting (XSS) vulnerability in WorkDo's eCommerceGo SaaS, consisting of a lack of proper validation of user input by sending a POST request to ‘/store-ticket’, using the ‘subject’ and ‘description’ parameters.
How severe is CVE-2025-40977?: CVE-2025-40977 has a CVSS 4.0 base score of 5.1, rated medium severity.
Is CVE-2025-40977 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-40977?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-40977 have an EU (EUVD) identifier?: Yes. CVE-2025-40977 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1940.
When was CVE-2025-40977 published?: CVE-2025-40977 was published on 2026-01-12 and last updated on 2026-06-17.

References

https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-workdo-products

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