Citrix

CVE-2023-24488: Cross site scripting

Is it exploited?

Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of 29 Oct 2026.

VulnCheck KEV lists it since 15 Nov 2023. It cites 561 public reports, the first from 15 Nov 2023.

How likely is exploitation in the next 30 days?

81.2%

EPSS score, percentile 99.6 of all scored records. A probability estimated by FIRST, not a report of exploitation.

How severe?

6.1 Medium

CVSS v3.1 base score, given by the CNA

What should I do?

CISA has set no required action, because the vulnerability is not in KEV.

The CVE record links no vendor advisory, patch or mitigation.

Which versions are affected?

Affected

from 13.1 to before 13.1-45.61
from 13.0 to before 13.0-90.11
from 12.1 to before 12.1-65.35
from 12.1-FIPS to before 12.1-55.296
from 13.1-FIPS to before 13.1-37.150
from 12.1-NDcPP to before 12.1-55.296

Versions by product

Source: CISA KEV 2026.10.29, as of 29 Oct 2026; VulnCheck KEV, as of 30 Oct 2026; FIRST EPSS, as of 30 Oct 2026; CVE List, as of 30 Oct 2026. About the data.

Description

Cross site scripting

Cross site scripting vulnerability in Citrix ADC and Citrix Gateway  in allows and attacker to perform cross site scripting

Source: CVE List, as of 30 Oct 2026. About the data.

What to do

Advisories and patches

The CVE record links no vendor advisory, patch or mitigation.

This summary is based on the CVE record as of 30 Oct 2026. Check the vendor's advisory before you act: affected versions and fixes can change.

Affected products and versions

Versions by product, as listed in the CVE record (1 product)

Citrix Citrix ADC and Citrix Gateway
Status	Versions
Affected	from 13.1 to before 13.1-45.61
Affected	from 13.0 to before 13.0-90.11
Affected	from 12.1 to before 12.1-65.35
Affected	from 12.1-FIPS to before 12.1-55.296
Affected	from 13.1-FIPS to before 13.1-37.150
Affected	from 12.1-NDcPP to before 12.1-55.296

Versions not listed are: unaffected.

Source: CVE List, as of 30 Oct 2026. About the data.

Weakness

CWE-79, 1 CAPEC

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Attack patterns (CAPEC)

CAPEC-63: Cross-Site Scripting (XSS)

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.

Timeline

Date	Event
10 Jul 2023	CVE record published
25 Oct 2024	CVE record last updated

References

support.citrix.com

Known exploited Citrix vulnerabilities

CVE-2026-88779: Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability (added 4 Oct 2026)
CVE-2026-88771: Citrix NetScaler Improper Input Validation Vulnerability (added 27 Sep 2026)
CVE-2026-88772: Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability (added 27 Sep 2026)
CVE-2026-19490: Citrix NetScaler Authentication Bypass Using an Alternate Path or Channel Vulnerability (added 9 Sep 2026)
CVE-2026-8452: Citrix NetScaler ADC and NetScaler Gateway Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability (added 26 Aug 2026)