How severe is CVE-2023-2848?

CVE-2023-2848 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2023-2848 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-2848?

CVE-2023-2848 affects Movim. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-2848?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-2848 published?

CVE-2023-2848 was published on 2023-09-14 and last updated on 2026-06-17.

CVE-2023-2848

CVE-2023-2848 is a high-severity vulnerability in Movim with a CVSS 3.x base score of 8.0. 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-346.

Key facts

Severity: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-346
Affected product: Movim
Published: 2023-09-14
Last modified: 2026-06-17

Description

Movim prior to version 0.22 is affected by a Cross-Site WebSocket Hijacking vulnerability. This was the result of a missing header validation.

Frequently asked questions

What is CVE-2023-2848?: Movim prior to version 0.22 is affected by a Cross-Site WebSocket Hijacking vulnerability. This was the result of a missing header validation.
How severe is CVE-2023-2848?: CVE-2023-2848 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-2848 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-2848?: CVE-2023-2848 affects Movim. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-2848?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-2848 published?: CVE-2023-2848 was published on 2023-09-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:movim:movim:*:*:*:*:*:*:*:*

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