CVE-2026-0540

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.35% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 28.7% of scored records. A rank, not a probability.

NVD base score

5.3 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-03-03 17:26Z7 MO AGO

Last updated

2026-03-25 15:52Z7 MO AGO

Reserved

2025-12-27

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Weaknesses

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

Data version

5.2

Document digest

27ea870eacb7e8544ce711dd5bf7ffc372aa597c2c629c97d2a4c68e3c8bb04b

• github.comDOMPurify GitHub Repositoryhttps://github.com/cure53/DOMPurifyproduct
• github.comhttps://github.com/cure53/DOMPurify/commit/302b51de22535cc90235472c52e3401bedd46f80patch
• github.comVulnCheck Advisory: DOMPurify XSS via Missing Rawtext Elements in SAFE_FOR_XMLhttps://github.com/cure53/DOMPurify/releases/tag/3.3.2release-notes
• fluidattacks.comhttps://fluidattacks.com/advisories/daftthird-party-advisory
• www.vulncheck.comhttps://www.vulncheck.com/advisories/dompurify-xss-via-missing-rawtext-elements-in-safe-for-xmlthird-party-advisory