How severe is CVE-2026-38931?

CVE-2026-38931 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-38931 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-38931?

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

Does CVE-2026-38931 have an EU (EUVD) identifier?

Yes. CVE-2026-38931 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32697.

When was CVE-2026-38931 published?

CVE-2026-38931 was published on 2026-05-27 and last updated on 2026-07-05.

CVE-2026-38931

CVE-2026-38931 is a medium-severity vulnerability with a CVSS 3.x base score of 5.4. 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 5.4)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-32697
Weakness: CWE-79
Published: 2026-05-27
Last modified: 2026-07-05

Description

A stored cross-site scripting (XSS) vulnerability in the /admin/config-module.php component of creatorsofcode simplephp GitHub commit 5184cff (Latest as of 2026-02-27) via injecting a crafted payload.

Frequently asked questions

What is CVE-2026-38931?: A stored cross-site scripting (XSS) vulnerability in the /admin/config-module.php component of creatorsofcode simplephp GitHub commit 5184cff (Latest as of 2026-02-27) via injecting a crafted payload.
How severe is CVE-2026-38931?: CVE-2026-38931 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-38931 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-38931?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-38931 have an EU (EUVD) identifier?: Yes. CVE-2026-38931 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-32697.
When was CVE-2026-38931 published?: CVE-2026-38931 was published on 2026-05-27 and last updated on 2026-07-05.

References

https://moworn.github.io/post/cve-2026-38931/

EU advisories (EUVD)

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