XSS in Revive-Adserver Revive Adserver
CVE-2021-22871
Revive Adserver before 5.1.0 permits any user with a manager account to store possibly malicious content in the URL website property, which is then displayed unsanitized in the affiliate-preview.php tag generation screen, leading to a persistent cross-site scripting (XSS) vulnerability.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.021 (81.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Revive-Adserver Revive Adserver
- Https://github.com/revive-Adserver/revive-Adserver — versions Fixed in 5.1.0
Weakness classification (CWE)
References
- www.revive-adserver.com/security/revive-sa-2021-001/ (Vendor Advisory)
- hackerone.com/reports/819362 (Exploit, Third Party Advisory)
- github.com/revive-adserver/revive-adserver/commit/89b88ce26 (Patch, Third Party Advisory)
- github.com/revive-adserver/revive-adserver/commit/62a2a0439 (Patch, Third Party Advisory)
- seclists.org/fulldisclosure/2021/Jan/60 (mailing-list, Mailing List, Third Party Advisory, Broken Link)
- packetstormsecurity.com/files/161070/Revive-Adserver-5.0.5-Cross-Site-Scripting… (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-22871?
- CVE-2021-22871 is a medium-severity vulnerability in Revive-Adserver Revive Adserver, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-01-26.
- How severe is CVE-2021-22871?
- Medium severity. CVSS v3 base score is 4.8 out of 10.