{"id":"CVE-2026-116548","kind":"vulnerability","aliases":["CVE-2026-116548"],"related":[],"title":"VikRentCar WordPress plugin: stored script injection via optionals parameter","description":"The VikRentCar Car Rental Management System plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'optionals' parameter in all versions up to, and including, 1.4.10 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","summary":"The VikRentCar Car Rental Management System WordPress plugin, versions up to and including 1.4.10, does not sanitize the 'optionals' parameter. An unauthenticated attacker can store script in pages that runs in the browser of any visitor who opens the injected page.","severity":"high","cvss":7.2,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["package","self-hosted","vikrentcar","wordpress"],"not_affected_if":["plugin-not-installed"],"how_to_check":"- Check the installed version of the VikRentCar Car Rental Management System plugin in the WordPress admin plugin list, and see whether it is `1.4.10` or lower.","fix":"- Move the VikRentCar Car Rental Management System plugin to a version newer than `1.4.10`; the sources do not name the fixed version.","status":"open","published_at":"2026-10-31T07:16:35+00:00","first_seen_at":"2026-10-31T07:34:07+00:00","triaged_at":"2026-10-31T07:34:32+00:00","updated_at":"2026-10-31T07:34:32+00:00","category":"package","confidence":0.7,"triage":{"at":"2026-10-31T07:34:32Z","model":"claude-haiku-5-5","output":{"fix":"- Move the VikRentCar Car Rental Management System plugin to a version newer than `1.4.10`; the sources do not name the fixed version.","reach":"internet","title":"VikRentCar WordPress plugin: stored script injection via optionals parameter","impact":"medium","summary":"The VikRentCar Car Rental Management System WordPress plugin, versions up to and including 1.4.10, does not sanitize the 'optionals' parameter. An unauthenticated attacker can store script in pages that runs in the browser of any visitor who opens the injected page.","audience":"businesses","category":"package","nicknames":[],"who_cares":["wordpress","vikrentcar","self-hosted"],"confidence":0.7,"fix_status":"unknown","needs_auth":"no","worst_case":"Attacker script runs in visitors' browsers on the affected site.","analyst_note":"Check the NVD entry and the plugin's changelog for the fixed version and whether admin accounts are targeted.","how_to_check":"- Check the installed version of the VikRentCar Car Rental Management System plugin in the WordPress admin plugin list, and see whether it is `1.4.10` or lower.\n- unknown for other checks; the sources do not say.","plain_action":"","needs_analyst":true,"not_affected_if":["plugin-not-installed"],"who_is_affected":"Sites running the VikRentCar Car Rental Management System WordPress plugin at version 1.4.10 or earlier are exposed. The sources say no login is needed to submit the injected input, and the script runs when a visitor opens an affected page. Sites without this plugin can skip it.","user_interaction":"yes","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000714,"input_tokens":4168,"output_tokens":594,"severity_before":"high"},"analyst_status":null,"analyst_note":null,"search":"'-116548':12A,15A '-2026':11A,14A '1.4.10':35B,91C 'access':120C 'arbitrari':109C 'attack':44B,106C 'browser':54B 'car':24B,65C 'cross':77C 'cross-sit':76C 'cve':10A,13A 'due':92C 'escap':99C 'execut':116C 'host':19B 'includ':34B,90C 'inject':6A,61B,108C,122C 'input':95C 'insuffici':94C 'make':101C 'manag':26B,67C 'open':59B 'option':8A,40B,82C 'output':98C 'packag':16B 'page':49B,62B,113C,123C 'paramet':9A,41B,83C 'plugin':3A,29B,69C 'possibl':103C 'rental':25B,66C 'run':51B 'sanit':38B,96C 'script':5A,47B,79C,111C 'self':18B 'self-host':17B 'site':78C 'store':4A,46B,75C 'system':27B,68C 'unauthent':43B,105C 'user':119C 'version':30B,86C 'via':7A,80C 'vikrentcar':1A,20B,23B,64C 'visitor':57B 'vulner':73C 'web':110C 'whenev':117C 'wordpress':2A,21B,28B,71C","nicknames":[],"mitigations":[],"who_affected":"Sites running the VikRentCar Car Rental Management System WordPress plugin at version 1.4.10 or earlier are exposed. The sources say no login is needed to submit the injected input, and the script runs when a visitor opens an affected page. Sites without this plugin can skip it.","tier":"B","verified":{},"analyst_revisit_at":null,"fix_status":"unknown","audience":"businesses","plain_action":null,"first_public_at":"2026-10-31T07:16:35+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N","cvss_by":"security@wordfence.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-116548","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116548","severity":null,"published_at":"2026-10-31T07:16:35+00:00","modified_at":"2026-10-31T07:16:35+00:00","first_seen_at":"2026-10-31T07:34:07+00:00","fetched_at":"2026-10-31T07:34:07+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"}