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{"id": "CVE-2021-28115", "vendorId": null, "type": "cve", "bulletinFamily": "NVD", "title": "CVE-2021-28115", "description": "The OUGC Feedback plugin before 1.8.23 for MyBB allows XSS via the comment field of feedback during an edit operation.", "published": "2021-03-09T22:15:00", "modified": "2021-03-13T00:17:00", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE", "baseScore": 4.3}, "severity": "MEDIUM", "exploitabilityScore": 8.6, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "cvss3": {"cvssV3": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM"}, "exploitabilityScore": 2.8, "impactScore": 2.7}, "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-28115", "reporter": "cve@mitre.org", "references": ["https://github.com/Sama34/OUGC-Feedback/pull/31/commits/ceef7c06359e5dcbaffe90a40884265c5754068c", "http://packetstormsecurity.com/files/161746/MyBB-OUGC-Feedback-1.8.22-Cross-Site-Scripting.html"], "cvelist": ["CVE-2021-28115"], "immutableFields": [], "lastseen": "2022-03-23T16:21:24", "viewCount": 57, "enchantments": {"dependencies": {"references": [{"type": "exploitdb", "idList": ["EDB-ID:49635"]}, {"type": "packetstorm", "idList": ["PACKETSTORM:161746"]}, {"type": "zdt", "idList": ["1337DAY-ID-35931"]}], "rev": 4}, "score": {"value": 4.5, "vector": "NONE"}, "twitter": {"counter": 4, "modified": "2021-03-13T14:41:21", "tweets": [{"link": "https://twitter.com/threatintelctr/status/1370715950815793159", "text": " NEW: CVE-2021-28115 The OUGC Feedback plugin before 1.8.23 for MyBB allows XSS via the comment field of feedback during an edit operation. Severity: MEDIUM https://t.co/RSxZz2CF8e?amp=1"}, {"link": "https://twitter.com/WolfgangSesin/status/1370552850590351360", "text": "New post from https://t.co/uXvPWJy6tj?amp=1 (CVE-2021-28115 (ougc_feedback)) has been published on https://t.co/LsUd4io7su?amp=1"}, {"link": "https://twitter.com/threatintelctr/status/1370534751791149057", "text": " NEW: CVE-2021-28115 The OUGC Feedback plugin before 1.8.23 for MyBB allows XSS via the comment field of feedback during an edit operation. Severity: MEDIUM https://t.co/RSxZz2CF8e?amp=1"}, {"link": "https://twitter.com/threatintelctr/status/1370534751791149057", "text": " NEW: CVE-2021-28115 The OUGC Feedback plugin before 1.8.23 for MyBB allows XSS via the comment field of feedback during an edit operation. Severity: MEDIUM https://t.co/RSxZz2CF8e?amp=1"}]}, "backreferences": {"references": [{"type": "exploitdb", "idList": ["EDB-ID:49635"]}, {"type": "packetstorm", "idList": ["PACKETSTORM:161746"]}, {"type": "zdt", "idList": ["1337DAY-ID-35931"]}]}, "exploitation": null, "vulnersScore": 4.5}, "_state": {"dependencies": 0}, "_internal": {}, "cna_cvss": {"cna": null, "cvss": {}}, "cpe": [], "cpe23": [], "cwe": ["CWE-79"], "affectedSoftware": [{"cpeName": "ougc_feedback_project:ougc_feedback", "version": "1.8.23", "operator": "lt", "name": "ougc feedback project ougc feedback"}], "affectedConfiguration": [], "cpeConfiguration": {"CVE_data_version": "4.0", "nodes": [{"operator": "OR", "children": [], "cpe_match": [{"vulnerable": true, "cpe23Uri": "cpe:2.3:a:ougc_feedback_project:ougc_feedback:1.8.23:*:*:*:*:mybb:*:*", "versionEndExcluding": "1.8.23", "cpe_name": []}]}]}, "extraReferences": [{"url": "https://github.com/Sama34/OUGC-Feedback/pull/31/commits/ceef7c06359e5dcbaffe90a40884265c5754068c", "name": "https://github.com/Sama34/OUGC-Feedback/pull/31/commits/ceef7c06359e5dcbaffe90a40884265c5754068c", "refsource": "MISC", "tags": ["Patch", "Third Party Advisory"]}, {"url": "http://packetstormsecurity.com/files/161746/MyBB-OUGC-Feedback-1.8.22-Cross-Site-Scripting.html", "name": "http://packetstormsecurity.com/files/161746/MyBB-OUGC-Feedback-1.8.22-Cross-Site-Scripting.html", "refsource": "MISC", "tags": ["Exploit", "Third Party Advisory"]}]}

{"zdt": [{"lastseen": "2021-09-22T06:55:42", "description": "", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "baseScore": 6.1, "privilegesRequired": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "userInteraction": "REQUIRED", "version": "3.1"}, "impactScore": 2.7}, "published": "2021-03-11T00:00:00", "type": "zdt", "title": "MyBB OUGC Feedback Plugin 1.8.22 - Cross-Site Scripting Vulnerability", "bulletinFamily": "exploit", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28115"], "modified": "2021-03-11T00:00:00", "id": "1337DAY-ID-35931", "href": "https://0day.today/exploit/description/35931", "sourceData": "# Exploit Title: MyBB OUGC Feedback Plugin 1.8.22 - Cross-Site Scripting\r\n# Author: 0xB9\r\n# Twitter: @0xB9Sec\r\n# Contact: 0xB9[at]pm.me\r\n# Software Link: https://community.mybb.com/mods.php?action=view&pid=1220\r\n# Version: 1.8.22\r\n# Tested on: Windows 10\r\n# CVE: CVE-2021-28115\r\n\r\n1. Description:\r\nThis plugin adds a feedback system to your forum. Edit feedback button is vulnerable to XSS.\r\n\r\n2. Proof of Concept:\r\n\r\n- Go to a user profile\r\n- Add feedback and leave the following payload as comment \"><script>alert(1)</script>\r\n- View the feedback feedback.php?uid=2 \r\n- When clicking Edit payload will execute\n\n# 0day.today [2021-09-22] #", "sourceHref": "https://0day.today/exploit/35931", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}], "exploitdb": [{"lastseen": "2022-05-13T17:39:26", "description": "", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "CHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "baseScore": 6.1, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1", "userInteraction": "REQUIRED"}, "impactScore": 2.7}, "published": "2021-03-11T00:00:00", "type": "exploitdb", "title": "MyBB OUGC Feedback Plugin 1.8.22 - Cross-Site Scripting", "bulletinFamily": "exploit", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 4.3, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2021-28115"], "modified": "2021-03-11T00:00:00", "id": "EDB-ID:49635", "href": "https://www.exploit-db.com/exploits/49635", "sourceData": "# Exploit Title: MyBB OUGC Feedback Plugin 1.8.22 - Cross-Site Scripting\r\n# Date: 1/30/2021\r\n# Author: 0xB9\r\n# Twitter: @0xB9Sec\r\n# Contact: 0xB9[at]pm.me\r\n# Software Link: https://community.mybb.com/mods.php?action=view&pid=1220\r\n# Version: 1.8.22\r\n# Tested on: Windows 10\r\n# CVE: CVE-2021-28115\r\n\r\n1. Description:\r\nThis plugin adds a feedback system to your forum. Edit feedback button is vulnerable to XSS.\r\n\r\n2. Proof of Concept:\r\n\r\n- Go to a user profile\r\n- Add feedback and leave the following payload as comment \"><script>alert(1)</script>\r\n- View the feedback feedback.php?uid=2 \r\n- When clicking Edit payload will execute", "sourceHref": "https://www.exploit-db.com/download/49635", "cvss": {"score": 4.3, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:N"}}], "packetstorm": [{"lastseen": "2021-03-11T15:11:25", "description": "", "cvss3": {}, "published": "2021-03-11T00:00:00", "type": "packetstorm", "title": "MyBB OUGC Feedback 1.8.22 Cross Site Scripting", "bulletinFamily": "exploit", "cvss2": {}, "cvelist": ["CVE-2021-28115"], "modified": "2021-03-11T00:00:00", "id": "PACKETSTORM:161746", "href": "https://packetstormsecurity.com/files/161746/MyBB-OUGC-Feedback-1.8.22-Cross-Site-Scripting.html", "sourceData": "`# Exploit Title: MyBB OUGC Feedback Plugin 1.8.22 - Cross-Site Scripting \n# Date: 1/30/2021 \n# Author: 0xB9 \n# Twitter: @0xB9Sec \n# Contact: 0xB9[at]pm.me \n# Software Link: https://community.mybb.com/mods.php?action=view&pid=1220 \n# Version: 1.8.22 \n# Tested on: Windows 10 \n# CVE: CVE-2021-28115 \n \n1. Description: \nThis plugin adds a feedback system to your forum. Edit feedback button is vulnerable to XSS. \n \n2. Proof of Concept: \n \n- Go to a user profile \n- Add feedback and leave the following payload as comment \"><script>alert(1)</script> \n- View the feedback feedback.php?uid=2 \n- When clicking Edit payload will execute \n \n`\n", "sourceHref": "https://packetstormsecurity.com/files/download/161746/mybbougcfb1822-xss.txt", "cvss": {"score": 0.0, "vector": "NONE"}}]}