How severe is CVE-2026-39691?

CVE-2026-39691 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-39691 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-39691?

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

Does CVE-2026-39691 have an EU (EUVD) identifier?

Yes. CVE-2026-39691 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20385.

When was CVE-2026-39691 published?

CVE-2026-39691 was published on 2026-04-08 and last updated on 2026-06-17.

CVE-2026-39691

CVE-2026-39691 is a medium-severity vulnerability with a CVSS 3.x base score of 5.3. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-20385
Weakness: CWE-862
Published: 2026-04-08
Last modified: 2026-06-17

Description

Missing Authorization vulnerability in AdAstraCrypto Cryptocurrency Donation Box – Bitcoin & Crypto Donations cryptocurrency-donation-box allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Cryptocurrency Donation Box – Bitcoin & Crypto Donations: from n/a through <= 2.2.13.

Frequently asked questions

What is CVE-2026-39691?: Missing Authorization vulnerability in AdAstraCrypto Cryptocurrency Donation Box – Bitcoin & Crypto Donations cryptocurrency-donation-box allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Cryptocurrency Donation Box – Bitcoin & Crypto Donations: from n/a through <= 2.2.13.
How severe is CVE-2026-39691?: CVE-2026-39691 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-39691 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-39691?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-39691 have an EU (EUVD) identifier?: Yes. CVE-2026-39691 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-20385.
When was CVE-2026-39691 published?: CVE-2026-39691 was published on 2026-04-08 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/cryptocurrency-donation-box/vulnerability/wordpress-cryptocurrency-donation-box-bitcoin-crypto-donations-plugin-2-2-13-broken-access-control-vulnerability?_s_id=cve

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