DOMPurify from 3.4.13 before 3.4.16 DOM XSS via IN_PLACE afterSanitize Hooks (cure53 DOMPurify)

CVE-2026-109344
MEDIUM 5.1

At a glance

Source
NVD
EPSS
EPSS 0.19 % Β· percentile 8 ()
State
PUBLISHED
Published
Updated
Assigner
VulnCheck
NVD status
Awaiting Analysis

Description

DOMPurify from 3.4.13 before 3.4.16 contains a cross-site scripting vulnerability because IN_PLACE mode fails to neutralize subtrees detached by afterSanitizeElements or afterSanitizeAttributes hooks. Attackers can supply markup with on* handlers inside a wrapper removed by such hooks, leaving handlers armed on the live DOM to execute script in the victim origin.

Weaknesses (CWE)

  • CWE-79 β€” Improper Neutralization of Input During Web Page Generation

References

Scores

VersionScoreVectorScored by
CVSS 4.0MEDIUM 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:NVulnCheck
CVSS 3.1MEDIUM 6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NVulnCheck
CVSS 4.0MEDIUM 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/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:XNVD Β· disclosure@vulncheck.com (Secondary)
CVSS 3.1MEDIUM 6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NNVD Β· disclosure@vulncheck.com (Secondary)

Advisories

European references

Affected products

ProductVersions
cure53 Β· DOMPurifyaffected 3.4.13 < 3.4.16 ; unaffected 3.4.16

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST β€” attribution requested
ENISA EUVDENISA β€” reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain β€” this product uses data from the NVD API but is not endorsed or certified by the NVD