{"answers":{"affected":"4 open source packages ship an affected version, including github.com/mattermost/mattermost-server/v6 and github.com/mattermost/mattermost/server/v8. It affects 1 product.","exploited":"There is no known exploitation of CVE-2023-35075 in the wild and no public exploit code.","fix":"Upgrade github.com/mattermost/mattermost-server/v6 to 7.8.13 or later.","what":"CVE-2023-35075 is a low-severity cross-site scripting vulnerability in Mattermost Mattermost, published on 27 Nov 2023. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2023-35075 and fix it if it is affected.\n\nWhat it is: CVE-2023-35075 is a low-severity cross-site scripting vulnerability in Mattermost Mattermost, published on 27 Nov 2023. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2023-35075 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- github.com/mattermost/mattermost-server/v6 (Go): affected all versions; fixed in 7.8.13\n- github.com/mattermost/mattermost-server/v6 (Go): affected all versions; fixed in 7.8.13\n- github.com/mattermost/mattermost/server/v8 (Go): affected all versions; fixed in 8.1.4\n- github.com/mattermost/mattermost/server/v8 (Go): affected all versions; fixed in 8.1.4\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2023-35075/ (Markdown: https://insights.sbomify.com/CVE-2023-35075/index.md)","id":"CVE-2023-35075","markdown":"https://insights.sbomify.com/CVE-2023-35075/index.md","name":"CVE-2023-35075","record":{"aliases":["GHSA-jcgv-3pfq-j4hr"],"analysis":{"component_type":"web_application","fix_type":"patch","impacts":["other"],"network_reachable":"yes","non_default_config":false,"product_category":"Mattermost webapp","requires_auth":"low_privilege","summary":"Attackers can inject HTML into channel names via autocomplete, potentially altering page appearance, though script execution is prevented.","user_interaction":"not_required","vuln_class":"xss"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"Mattermost","cpe":[{"product":"mattermost","vendor":"mattermost"}],"cvss":{"score":3.1,"severity":"low","source":"cna","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N","version":"3.1"},"cwes":[{"id":"CWE-74","name":"Improper Neutralization of Special Elements in Output Used by a Downstream Component"}],"description":"Mattermost fails to use  innerText / textContent when setting the channel name in the webapp during autocomplete, allowing an attacker to inject HTML to a victim's page by create a channel name that is valid HTML. No XSS is possible though.","ecosystems":["Go"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"HTML injection via channel autocomplete","id":"CVE-2023-35075","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Go","product":"mattermost:mattermost","products":["mattermost:mattermost"],"type":"xss","year":"2023"},"n_packages":4,"n_references":1,"next":{"headline":"Memory corruption in Endpoint Manager","id":"CVE-2023-35077"},"packages":[{"ecosystem":"Go","fixed":["7.8.13"],"introduced":["0"],"last_affected":[],"package":"github.com/mattermost/mattermost-server/v6","purl":null,"source":"GHSA-jcgv-3pfq-j4hr"},{"ecosystem":"Go","fixed":["7.8.13"],"introduced":["0"],"last_affected":[],"package":"github.com/mattermost/mattermost-server/v6","purl":"pkg:golang/github.com/mattermost/mattermost-server/v6","source":"GHSA-jcgv-3pfq-j4hr"},{"ecosystem":"Go","fixed":["8.1.4"],"introduced":["0"],"last_affected":[],"package":"github.com/mattermost/mattermost/server/v8","purl":null,"source":"GHSA-jcgv-3pfq-j4hr"},{"ecosystem":"Go","fixed":["8.1.4"],"introduced":["0"],"last_affected":[],"package":"github.com/mattermost/mattermost/server/v8","purl":"pkg:golang/github.com/mattermost/mattermost/server/v8","source":"GHSA-jcgv-3pfq-j4hr"}],"prev":{"headline":"Memory corruption in Safari","id":"CVE-2023-35074"},"products":["Mattermost"],"published":"2023-11-27","related":[{"cvss_score":9.1,"headline":"Path traversal in n/a","id":"CVE-2019-20851","kev_date_added":null,"published":"2020-06-19"},{"cvss_score":8.7,"headline":"Malicious remote can add users to arbitrary teams and channels","id":"CVE-2024-39274","kev_date_added":null,"published":"2024-08-01"},{"cvss_score":8.7,"headline":"Malicious remote can invite itself to an arbitrary local channel","id":"CVE-2024-39777","kev_date_added":null,"published":"2024-08-01"},{"cvss_score":8.1,"headline":"Timing attack during remote cluster token comparison when shared channels are enabled","id":"CVE-2024-39830","kev_date_added":null,"published":"2024-07-03"},{"cvss_score":8.1,"headline":"Lack of server certificate validation in websockets connection","id":"CVE-2023-3615","kev_date_added":null,"published":"2023-07-17"},{"cvss_score":7.5,"headline":"Information disclosure in n/a","id":"CVE-2020-13891","kev_date_added":null,"published":"2020-06-26"},{"cvss_score":7.4,"headline":"Existing local user overwritten by malicious remote","id":"CVE-2024-36492","kev_date_added":null,"published":"2024-08-01"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2025-06-03","vendors":["Mattermost"]},"summary":"Attackers can inject HTML into channel names via autocomplete, potentially altering page appearance, though script execution is prevented.","url":"https://insights.sbomify.com/CVE-2023-35075/"}