How severe is CVE-2023-26789?

CVE-2023-26789 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-2023-26789 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-26789?

CVE-2023-26789 affects Veritas Netbackup Opscenter. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-26789?

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

When was CVE-2023-26789 published?

CVE-2023-26789 was published on 2023-04-05 and last updated on 2026-06-17.

CVE-2023-26789

CVE-2023-26789 is a medium-severity vulnerability in Veritas Netbackup Opscenter 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: 0% (39th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Veritas Netbackup Opscenter
Published: 2023-04-05
Last modified: 2026-06-17

Description

Veritas NetBackUp OpsCenter Version 9.1.0.1 is vulnerable to Reflected Cross-site scripting (XSS). The Web App fails to adequately sanitize special characters. By leveraging this issue, an attacker is able to cause arbitrary HTML and JavaScript code to be executed in a user's browser.

Frequently asked questions

What is CVE-2023-26789?: Veritas NetBackUp OpsCenter Version 9.1.0.1 is vulnerable to Reflected Cross-site scripting (XSS). The Web App fails to adequately sanitize special characters. By leveraging this issue, an attacker is able to cause arbitrary HTML and JavaScript code to be executed in a user's browser.
How severe is CVE-2023-26789?: CVE-2023-26789 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-2023-26789 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-26789?: CVE-2023-26789 affects Veritas Netbackup Opscenter. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-26789?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-26789 published?: CVE-2023-26789 was published on 2023-04-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:veritas:netbackup_opscenter:9.1.0.1:*:*:*:*:*:*:*

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