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CVE-2026-22209

wpDiscuz before 7.6.47 contains a cross-site scripting vulnerability in the customCss field that allows administrators to inject malicious scripts by breaking out of style tags. Attackers with admin access can inject payloads like </style><script>alert(1)</script> in the custom CSS setting to execute arbitrary JavaScript in user browsers.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:540981c6805e0784ffe263db7507975a80ff6a6e5ec8c929dd5bd026f7f661ba
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:32f04a3fbe4f2cb0e23a224c436ba6fc55b93d5ca976c9b9a4ace2a978290c07 · sha256:9f2142ee2cebfafc… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","privilegesRequired":"HIGH","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:32f04a3fbe4f2cb0e23a224c436ba6fc55b93d5ca976c9b9a4ace2a978290c07 · sha256:9f2142ee2cebfafc… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","packageURL":"pkg:wordpress-plugin/wpdiscuz","product":"wpDiscuz","vendor":"gVectors","versions":[{"lessThan":"7.6.47","status":"affected","version":"0","versionType":"custom"},{"status":"unaffected","version":"7.6.47"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:32f04a3fbe4f2cb0e23a224c436ba6fc55b93d5ca976c9b9a4ace2a978290c07 · sha256:9f2142ee2cebfafc… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.5,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:32f04a3fbe4f2cb0e23a224c436ba6fc55b93d5ca976c9b9a4ace2a978290c07 · sha256:9f2142ee2cebfafc… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","privilegesRequired":"HIGH","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:32f04a3fbe4f2cb0e23a224c436ba6fc55b93d5ca976c9b9a4ace2a978290c07 · sha256:9f2142ee2cebfafc… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-79","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:32f04a3fbe4f2cb0e23a224c436ba6fc55b93d5ca976c9b9a4ace2a978290c07 · sha256:9f2142ee2cebfafc… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"wpDiscuz","tags":["product"],"url":"https://wordpress.org/plugins/wpdiscuz/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32f04a3fbe4f2cb0e23a224c436ba6fc55b93d5ca976c9b9a4ace2a978290c07 · sha256:9f2142ee2cebfafc… · /containers/cna/references/1
{"name":"wpDiscuz Changelog","tags":["patch"],"url":"https://wordpress.org/plugins/wpdiscuz/#developers"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32f04a3fbe4f2cb0e23a224c436ba6fc55b93d5ca976c9b9a4ace2a978290c07 · sha256:9f2142ee2cebfafc… · /containers/cna/references/0
{"tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/wpdiscuz-before-cross-site-scripting-via-unescaped-custom-css-in-style-tag"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:32f04a3fbe4f2cb0e23a224c436ba6fc55b93d5ca976c9b9a4ace2a978290c07 · sha256:9f2142ee2cebfafc… · /containers/cna/references/2

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.

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