How severe is CVE-2023-33991?

CVE-2023-33991 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-2023-33991 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-33991?

CVE-2023-33991 primarily affects Sap Ui. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-33991?

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-2023-33991 published?

CVE-2023-33991 was published on 2023-06-13 and last updated on 2026-06-17.

CVE-2023-33991

CVE-2023-33991 is a high-severity vulnerability in Sap Ui 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% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Sap Ui
Published: 2023-06-13
Last modified: 2026-06-17

Description

SAP UI5 Variant Management - versions SAP_UI 750, SAP_UI 754, SAP_UI 755, SAP_UI 756, SAP_UI 757, UI_700 200, does not sufficiently encode user-controlled inputs on reading data from the server, resulting in Stored Cross-Site Scripting (Stored XSS) vulnerability. After successful exploitation, an attacker with user level access can cause high impact on confidentiality, modify some information and can cause unavailability of the application at user level.

Frequently asked questions

What is CVE-2023-33991?: SAP UI5 Variant Management - versions SAP_UI 750, SAP_UI 754, SAP_UI 755, SAP_UI 756, SAP_UI 757, UI_700 200, does not sufficiently encode user-controlled inputs on reading data from the server, resulting in Stored Cross-Site Scripting (Stored XSS) vulnerability. After successful exploitation, an attacker with user level access can cause high impact on confidentiality, modify some information and can cause unavailability of the application at user level.
How severe is CVE-2023-33991?: CVE-2023-33991 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-2023-33991 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-33991?: CVE-2023-33991 primarily affects Sap Ui. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-33991?: 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-2023-33991 published?: CVE-2023-33991 was published on 2023-06-13 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:sap:ui:700:*:*:*:*:*:*:*
cpe:2.3:a:sap:ui:750:*:*:*:*:*:*:*
cpe:2.3:a:sap:ui:754:*:*:*:*:*:*:*
cpe:2.3:a:sap:ui:755:*:*:*:*:*:*:*
cpe:2.3:a:sap:ui:756:*:*:*:*:*:*:*
cpe:2.3:a:sap:ui:757:*:*:*:*:*:*:*

More vulnerabilities in Sap Ui

CVE-2018-2424 — Critical (CVSS 9.8): SAP UI5 did not validate user input before adding it to the DOM structure. This may lead to malicious user-provided…
CVE-2019-0388 — Medium (CVSS 5.3): SAP UI5 HTTP Handler (corrected in SAP_UI versions 7.5, 7.51, 7.52, 7.53, 7.54 and SAP UI_700 version 2.0) allows an…
CVE-2018-2428 — Medium (CVSS 5.3): Under certain conditions SAP UI5 Handler allows an attacker to access information which would otherwise be restricted.…

All CVEs affecting Sap Ui →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →