CVE Explorer
CVE-2026-21631
Lack of output escaping leads to a XSS vector in the multilingual associations component.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Joomla! CMS","vendor":"Joomla! Project","versions":[{"status":"affected","version":"4.0.0-5.4.3"},{"status":"affected","version":"6.0.0-6.0.3"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:b82c1834753d64f8a5bdf9525fbae0307b84f6e94f3f6449d9ec31ff4634ebb8 · sha256:74294d7c8e45e63d… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.9,"baseSeverity":"MEDIUM","exploitMaturity":"UNREPORTED","privilegesRequired":"HIGH","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U","version":"4.0","vulnAvailabilityImpact":"LOW","vulnConfidentialityIm…
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:b82c1834753d64f8a5bdf9525fbae0307b84f6e94f3f6449d9ec31ff4634ebb8 · sha256:74294d7c8e45e63d… · /containers/cna/metrics/0/cvssV4_0
CWE assertions
1 source assertion{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:b82c1834753d64f8a5bdf9525fbae0307b84f6e94f3f6449d9ec31ff4634ebb8 · sha256:74294d7c8e45e63d… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"tags":["vendor-advisory"],"url":"https://developer.joomla.org/security-centre/1029-20260303-core-xss-vector-in-com-associations-comparison-view.html"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:b82c1834753d64f8a5bdf9525fbae0307b84f6e94f3f6449d9ec31ff4634ebb8 · sha256:74294d7c8e45e63d… · /containers/cna/references/0
{"tags":["third-party-advisory"],"url":"https://github.com/Shirshaw64p/security-advisories/tree/main/CVE-2026-21631"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:b82c1834753d64f8a5bdf9525fbae0307b84f6e94f3f6449d9ec31ff4634ebb8 · sha256:74294d7c8e45e63d… · /containers/cna/references/1
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.