{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "LiteSpeed Cache",
          "vendor": "litespeedtech",
          "versions": [
            {
              "lessThanOrEqual": "7.7",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "stealthcopter"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The LiteSpeed Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via crafted `\u003cimg\u003e` tag attributes in all versions up to, and including, 7.7. This is due to a flawed regular expression that is used to strip `width` and `height` attributes from images when the \"Lazy Load Images\" and \"Add Missing Sizes\" features are enabled. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that execute whenever a user accesses an injected page."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 6.4,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-08-28T03:39:35.416Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/c107674d-173f-49cf-b329-e7bffaee841d?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/litespeed-cache/trunk/src/media.cls.php#L761"
        },
        {
          "url": "https://plugins.trac.wordpress.org/changeset/3473912/"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-08-27T00:00:00.000Z",
          "value": "Discovered"
        },
        {
          "lang": "en",
          "time": "2026-02-24T16:56:12.000Z",
          "value": "Vendor Notified"
        },
        {
          "lang": "en",
          "time": "2026-08-27T15:15:48.000Z",
          "value": "Disclosed"
        }
      ],
      "title": "LiteSpeed Cache \u003c= 7.7 - Authenticated (Author+) Stored Cross-Site Scripting via img Tag Attributes"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "cveId": "CVE-2026-3129",
    "datePublished": "2026-08-28T03:39:35.416Z",
    "dateReserved": "2026-02-24T16:38:54.193Z",
    "dateUpdated": "2026-08-28T03:39:35.416Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-3129\",\"sourceIdentifier\":\"security@wordfence.com\",\"published\":\"2026-08-28T05:16:42.200\",\"lastModified\":\"2026-08-28T05:16:42.200\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The LiteSpeed Cache plugin for WordPress is vulnerable to Stored Cross-Site Scripting via crafted `\u003cimg\u003e` tag attributes in all versions up to, and including, 7.7. This is due to a flawed regular expression that is used to strip `width` and `height` attributes from images when the \\\"Lazy Load Images\\\" and \\\"Add Missing Sizes\\\" features are enabled. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that execute whenever a user accesses an injected page.\"}],\"affected\":[{\"source\":\"security@wordfence.com\",\"affectedData\":[{\"vendor\":\"litespeedtech\",\"product\":\"LiteSpeed Cache\",\"defaultStatus\":\"unaffected\",\"versions\":[{\"version\":\"0\",\"lessThanOrEqual\":\"7.7\",\"versionType\":\"semver\",\"status\":\"affected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"security@wordfence.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N\",\"baseScore\":6.4,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"LOW\",\"integrityImpact\":\"LOW\",\"availabilityImpact\":\"NONE\"},\"exploitabilityScore\":3.1,\"impactScore\":2.7}]},\"weaknesses\":[{\"source\":\"security@wordfence.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-79\"}]}],\"references\":[{\"url\":\"https://plugins.trac.wordpress.org/browser/litespeed-cache/trunk/src/media.cls.php#L761\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://plugins.trac.wordpress.org/changeset/3473912/\",\"source\":\"security@wordfence.com\"},{\"url\":\"https://www.wordfence.com/threat-intel/vulnerabilities/id/c107674d-173f-49cf-b329-e7bffaee841d?source=cve\",\"source\":\"security@wordfence.com\"}]}}"
  }
}