How severe is CVE-2023-4624?

CVE-2023-4624 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-4624 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4624?

CVE-2023-4624 affects Bookstackapp Bookstack. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4624?

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

When was CVE-2023-4624 published?

CVE-2023-4624 was published on 2023-08-30 and last updated on 2026-06-17.

CVE-2023-4624

CVE-2023-4624 is a low-severity vulnerability in Bookstackapp Bookstack with a CVSS 3.x base score of 2.4. 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-918.

Key facts

Severity: Low (CVSS 3.x base score 2.4)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Bookstackapp Bookstack
Published: 2023-08-30
Last modified: 2026-06-17

Description

Server-Side Request Forgery (SSRF) in GitHub repository bookstackapp/bookstack prior to v23.08.

Frequently asked questions

What is CVE-2023-4624?: Server-Side Request Forgery (SSRF) in GitHub repository bookstackapp/bookstack prior to v23.08.
How severe is CVE-2023-4624?: CVE-2023-4624 has a CVSS 3.x base score of 2.4, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-4624 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4624?: CVE-2023-4624 affects Bookstackapp Bookstack. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4624?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-4624 published?: CVE-2023-4624 was published on 2023-08-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:bookstackapp:bookstack:*:*:*:*:*:*:*:*

More vulnerabilities in Bookstackapp Bookstack

CVE-2021-4119 — Critical (CVSS 9.8): bookstack is vulnerable to Improper Access Control
CVE-2020-5256 — High (CVSS 7.9): BookStack before version 0.25.5 has a vulnerability where a user could upload PHP files through image upload functions,…
CVE-2020-26211 — High (CVSS 7.7): In BookStack before version 0.30.4, a user with permissions to edit a page could insert JavaScript code through the use…
CVE-2020-26210 — High (CVSS 7.7): In BookStack before version 0.30.4, a user with permissions to edit a page could add an attached link which would…
CVE-2021-3944 — Medium (CVSS 6.8): bookstack is vulnerable to Cross-Site Request Forgery (CSRF)
CVE-2023-6199 — Medium (CVSS 6.5): Book Stack version 23.10.2 allows filtering local files on the server. This is possible because the application is…

All CVEs affecting Bookstackapp Bookstack →

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