How severe is CVE-2023-28318?

CVE-2023-28318 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-2023-28318 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28318?

CVE-2023-28318 affects Rocket.chat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-28318?

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

When was CVE-2023-28318 published?

CVE-2023-28318 was published on 2023-05-09 and last updated on 2026-06-17.

CVE-2023-28318

CVE-2023-28318 is a medium-severity vulnerability in Rocket.chat 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-285.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (18th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-285
Affected product: Rocket.chat
Published: 2023-05-09
Last modified: 2026-06-17

Description

A vulnerability has been discovered in Rocket.Chat, where messages can be hidden regardless of the Message_KeepHistory or Message_ShowDeletedStatus server configuration. This allows users to bypass the intended message deletion behavior, hiding messages and deletion notices.

Frequently asked questions

What is CVE-2023-28318?: A vulnerability has been discovered in Rocket.Chat, where messages can be hidden regardless of the Message_KeepHistory or Message_ShowDeletedStatus server configuration. This allows users to bypass the intended message deletion behavior, hiding messages and deletion notices.
How severe is CVE-2023-28318?: CVE-2023-28318 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-2023-28318 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (18th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28318?: CVE-2023-28318 affects Rocket.chat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-28318?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-28318 published?: CVE-2023-28318 was published on 2023-05-09 and last updated on 2026-06-17.

References

https://hackerone.com/reports/1379451

Affected products (1)

cpe:2.3:a:rocket.chat:rocket.chat:-:*:*:*:*:*:*:*

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