Vulnerability-Lookup

GHSA-M9JV-R277-Q8WC

Vulnerability from github – Published: 2026-02-19 18:31 – Updated: 2026-02-19 18:31

Details

The xmlrpc attacks blocker plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 1.0, via the 'X-Forwarded-For' HTTP header. This is due to the plugin trusting and logging attacker-controlled IP header data and rendering debug log entries without output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts that execute when an administrator views the debug log page.

Severity

6.1 (Medium)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2026-2502"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-02-19T07:17:46Z",
    "severity": "MODERATE"
  },
  "details": "The xmlrpc attacks blocker plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 1.0, via the \u0027X-Forwarded-For\u0027 HTTP header. This is due to the plugin trusting and logging attacker-controlled IP header data and rendering debug log entries without output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts that execute when an administrator views the debug log page.",
  "id": "GHSA-m9jv-r277-q8wc",
  "modified": "2026-02-19T18:31:51Z",
  "published": "2026-02-19T18:31:51Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-2502"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/xmlrpc-attacks-blocker/tags/1.0/plugin.php#L186"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/xmlrpc-attacks-blocker/tags/1.0/plugin.php#L269"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/xmlrpc-attacks-blocker/tags/1.0/plugin.php#L312"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/xmlrpc-attacks-blocker/tags/1.0/plugin.php#L341"
    },
    {
      "type": "WEB",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/059f0c64-efcc-4b79-81eb-b4ae9e3e2826?source=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2026-2502 (GCVE-0-2026-2502)

Vulnerability from cvelistv5 – Published: 2026-02-19 04:36 – Updated: 2026-04-08 16:33

Title

xmlrpc attacks blocker <= 1.0 - Unauthenticated Stored Cross-Site Scripting via 'X-Forwarded-For'

Summary

Severity

6.1 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator (v2.0.3)

CWE

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

Assigner

Wordfence

References

5 references

URL	Tags
https://www.wordfence.com/threat-intel/vulnerabil…
https://plugins.trac.wordpress.org/browser/xmlrpc…
https://plugins.trac.wordpress.org/browser/xmlrpc…
https://plugins.trac.wordpress.org/browser/xmlrpc…
https://plugins.trac.wordpress.org/browser/xmlrpc…

Impacted products

1 product

Vendor	Product	Version
yehudah	xmlrpc attacks blocker	Affected: 0 , ≤ 1.0 (semver)

Credits

Nabil Irawan

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-2502",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-02-19T17:04:10.688082Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-02-19T17:40:06.750Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "xmlrpc attacks blocker",
          "vendor": "yehudah",
          "versions": [
            {
              "lessThanOrEqual": "1.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Nabil Irawan"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The xmlrpc attacks blocker plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 1.0, via the \u0027X-Forwarded-For\u0027 HTTP header. This is due to the plugin trusting and logging attacker-controlled IP header data and rendering debug log entries without output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts that execute when an administrator views the debug log page."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/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": "2026-04-08T16:33:26.164Z",
        "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
        "shortName": "Wordfence"
      },
      "references": [
        {
          "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/059f0c64-efcc-4b79-81eb-b4ae9e3e2826?source=cve"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/xmlrpc-attacks-blocker/tags/1.0/plugin.php#L186"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/xmlrpc-attacks-blocker/tags/1.0/plugin.php#L269"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/xmlrpc-attacks-blocker/tags/1.0/plugin.php#L312"
        },
        {
          "url": "https://plugins.trac.wordpress.org/browser/xmlrpc-attacks-blocker/tags/1.0/plugin.php#L341"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2026-02-18T16:00:32.000Z",
          "value": "Disclosed"
        }
      ],
      "title": "xmlrpc attacks blocker \u003c= 1.0 - Unauthenticated Stored Cross-Site Scripting via \u0027X-Forwarded-For\u0027"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
    "assignerShortName": "Wordfence",
    "cveId": "CVE-2026-2502",
    "datePublished": "2026-02-19T04:36:05.011Z",
    "dateReserved": "2026-02-13T22:02:17.549Z",
    "dateUpdated": "2026-04-08T16:33:26.164Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-M9JV-R277-Q8WC

CVE-2026-2502 (GCVE-0-2026-2502)

Tags

Sightings

Nomenclature