How severe is CVE-2023-27293?

CVE-2023-27293 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-27293 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27293?

CVE-2023-27293 affects Opencats. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27293?

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

When was CVE-2023-27293 published?

CVE-2023-27293 was published on 2023-02-28 and last updated on 2026-06-17.

CVE-2023-27293

CVE-2023-27293 is a medium-severity vulnerability in Opencats with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 1% (44th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Opencats
Published: 2023-02-28
Last modified: 2026-06-17

Description

Improper neutralization of input during web page generation allows an unauthenticated attacker to submit malicious Javascript as the answer to a questionnaire which would then be executed when an authenticated user reviews the candidate's submission. This could be used to steal other users’ cookies and force users to make actions without their knowledge.

Frequently asked questions

What is CVE-2023-27293?: Improper neutralization of input during web page generation allows an unauthenticated attacker to submit malicious Javascript as the answer to a questionnaire which would then be executed when an authenticated user reviews the candidate's submission. This could be used to steal other users’ cookies and force users to make actions without their knowledge.
How severe is CVE-2023-27293?: CVE-2023-27293 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-27293 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (44th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27293?: CVE-2023-27293 affects Opencats. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27293?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-27293 published?: CVE-2023-27293 was published on 2023-02-28 and last updated on 2026-06-17.

References

https://www.tenable.com/security/research/tra-2023-8

Affected products (1)

cpe:2.3:a:opencats:opencats:0.9.6:*:*:*:*:*:*:*

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