{"id":"CVE-2026-119563","kind":"vulnerability","aliases":["CVE-2026-119563"],"related":[],"title":"phpMyAdmin: table names with HTML run script in other users' sessions","description":"phpMyAdmin through 5.2.3 contains a stored cross-site scripting vulnerability that allows database users with CREATE privilege to inject script via unescaped table names in DesignerHistory.display(). Attackers can create a table whose name contains HTML markup that executes in another user's session when they add a condition on it in Designer query mode.","summary":"phpMyAdmin through 5.2.3 does not escape table names when showing Designer query history, so a database user who can create tables can plant script in a name. When another user adds a condition on that table in Designer query mode, the script runs in their session.","severity":"medium","cvss":5.4,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["mariadb","mysql","phpmyadmin","runtime","self-hosted"],"not_affected_if":["no-untrusted-create-privilege","phpmyadmin-newer-than-5.2.3"],"how_to_check":"- Check the installed phpMyAdmin version, for example by opening the phpMyAdmin footer or reading `libraries/classes/Version.php` in the install directory.\n- Confirm whether untrusted users hold the CREATE privilege on any database that phpMyAdmin manages.","fix":"- phpMyAdmin: versions after `5.2.3` (the sources do not name the fixed release).","status":"open","published_at":"2026-10-30T12:16:43+00:00","first_seen_at":"2026-10-30T12:30:26+00:00","triaged_at":"2026-10-30T12:32:52+00:00","updated_at":"2026-10-30T12:32:52+00:00","category":"runtime","confidence":0.6,"triage":{"at":"2026-10-30T12:32:52Z","model":"claude-haiku-5-5","output":{"fix":"- phpMyAdmin: versions after `5.2.3` (the sources do not name the fixed release).","reach":"network","title":"phpMyAdmin: table names with HTML run script in other users' sessions","impact":"medium","summary":"phpMyAdmin through 5.2.3 does not escape table names when showing Designer query history, so a database user who can create tables can plant script in a name. When another user adds a condition on that table in Designer query mode, the script runs in their session.","audience":"businesses","category":"runtime","nicknames":[],"who_cares":["phpmyadmin","mysql","mariadb","self-hosted"],"confidence":0.6,"fix_status":"unknown","needs_auth":"yes","worst_case":"script runs in another user's phpMyAdmin session","analyst_note":"Find the fixed phpMyAdmin release and the patch for DesignerHistory.display() in the upstream advisory or NVD references.","how_to_check":"- Check the installed phpMyAdmin version, for example by opening the phpMyAdmin footer or reading `libraries/classes/Version.php` in the install directory.\n- Confirm whether untrusted users hold the CREATE privilege on any database that phpMyAdmin manages.","plain_action":"","needs_analyst":true,"not_affected_if":["no-untrusted-create-privilege","phpmyadmin-newer-than-5.2.3"],"who_is_affected":"Teams that run phpMyAdmin for shared MySQL or MariaDB servers where some users can create tables. Single-admin installs where only trusted people hold CREATE privilege are at much lower risk. The sources do not describe a fixed version.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000717,"input_tokens":4143,"output_tokens":605,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-119563':14A,17A '-2026':13A,16A '5.2.3':27B,73C 'add':55B,117C 'allow':83C 'anoth':53B,111C 'attack':98C 'condit':57B,119C 'contain':74C,105C 'creat':44B,87C,100C 'cross':78C 'cross-sit':77C 'cve':12A,15A 'databas':40B,84C 'design':35B,62B,123C 'designerhistory.display':97C 'escap':30B 'execut':109C 'histori':37B 'host':24B 'html':5A,106C 'inject':90C 'mariadb':18B 'markup':107C 'mode':64B,125C 'mysql':19B 'name':3A,32B,51B,95C,104C 'phpmyadmin':1A,20B,25B,71C 'plant':47B 'privileg':88C 'queri':36B,63B,124C 'run':6A,67B 'runtim':21B 'script':7A,48B,66B,80C,91C 'self':23B 'self-host':22B 'session':11A,70B,114C 'show':34B 'site':79C 'store':76C 'tabl':2A,31B,45B,60B,94C,102C 'unescap':93C 'user':10A,41B,54B,85C,112C 'via':92C 'vulner':81C 'whose':103C","nicknames":[],"mitigations":[],"who_affected":"Teams that run phpMyAdmin for shared MySQL or MariaDB servers where some users can create tables. Single-admin installs where only trusted people hold CREATE privilege are at much lower risk. The sources do not describe a fixed version.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"first_public_at":"2026-10-30T12:16:43+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/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","cvss_by":"disclosure@vulncheck.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-119563","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119563","severity":null,"published_at":"2026-10-30T12:16:43+00:00","modified_at":"2026-10-30T12:16:43+00:00","first_seen_at":"2026-10-30T12:30:26+00:00","fetched_at":"2026-10-30T12:30:26+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}