How severe is CVE-2023-34360?

CVE-2023-34360 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2023-34360 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-34360?

CVE-2023-34360 affects Asus Rt-ax88u Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-34360?

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-2023-34360 published?

CVE-2023-34360 was published on 2023-07-31 and last updated on 2026-06-17.

CVE-2023-34360

CVE-2023-34360 is a high-severity vulnerability in Asus Rt-ax88u Firmware with a CVSS 3.x base score of 8.2. 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: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Asus Rt-ax88u Firmware
Published: 2023-07-31
Last modified: 2026-06-17

Description

A stored cross-site scripting (XSS) issue was discovered within the Custom User Icons functionality of ASUS RT-AX88U running firmware versions 3.0.0.4.388.23110 and prior. After a remote attacker logging in device with regular user privilege, the remote attacker can perform a Stored Cross-site Scripting (XSS) attack by uploading image which containing JavaScript code.

Frequently asked questions

What is CVE-2023-34360?: A stored cross-site scripting (XSS) issue was discovered within the Custom User Icons functionality of ASUS RT-AX88U running firmware versions 3.0.0.4.388.23110 and prior. After a remote attacker logging in device with regular user privilege, the remote attacker can perform a Stored Cross-site Scripting (XSS) attack by uploading image which containing JavaScript code.
How severe is CVE-2023-34360?: CVE-2023-34360 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2023-34360 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34360?: CVE-2023-34360 affects Asus Rt-ax88u Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-34360?: 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-2023-34360 published?: CVE-2023-34360 was published on 2023-07-31 and last updated on 2026-06-17.

References

https://https://www.twcert.org.tw/tw/cp-132-7281-dc87d-1.html

Affected products (1)

cpe:2.3:o:asus:rt-ax88u_firmware:*:*:*:*:*:*:*:*

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