How severe is CVE-2023-26510?

CVE-2023-26510 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-26510 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26510?

CVE-2023-26510 affects Ghost. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26510?

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

When was CVE-2023-26510 published?

CVE-2023-26510 was published on 2023-03-05 and last updated on 2026-06-17.

CVE-2023-26510

CVE-2023-26510 is a medium-severity vulnerability in Ghost with a CVSS 3.x base score of 5.7. 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 5.7)
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Ghost
Published: 2023-03-05
Last modified: 2026-06-17

Description

Ghost 5.35.0 allows authorization bypass: contributors can view draft posts of other users, which is arguably inconsistent with a security policy in which a contributor's draft can only be read by editors until published by an editor. NOTE: the vendor's position is that this behavior has no security impact.

Frequently asked questions

What is CVE-2023-26510?: Ghost 5.35.0 allows authorization bypass: contributors can view draft posts of other users, which is arguably inconsistent with a security policy in which a contributor's draft can only be read by editors until published by an editor. NOTE: the vendor's position is that this behavior has no security impact.
How severe is CVE-2023-26510?: CVE-2023-26510 has a CVSS 3.x base score of 5.7, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-26510 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26510?: CVE-2023-26510 affects Ghost. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26510?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-26510 published?: CVE-2023-26510 was published on 2023-03-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ghost:ghost:5.35.0:*:*:*:*:node.js:*:*

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