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…
Does this matter?
Lower severity and a low EPSS score (2.15%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 3.1
- 4.8 MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 2.15% probability · 82th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- revive-adserver/revive adserver
- Source
- support@hackerone.com
EPSS 2.1% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://packetstormsecurity.com/files/161070/Revive-Adserver-5.0.5-Cross-Site-Scripting-Open-Redirect.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2021/Jan/60Broken Link, Mailing List, Third Party Advisory
- https://github.com/revive-adserver/revive-adserver/commit/62a2a0439Patch, Third Party Advisory
- https://github.com/revive-adserver/revive-adserver/commit/89b88ce26Patch, Third Party Advisory
- https://hackerone.com/reports/819362Exploit, Third Party Advisory
- https://www.revive-adserver.com/security/revive-sa-2021-001/Vendor Advisory
- http://packetstormsecurity.com/files/161070/Revive-Adserver-5.0.5-Cross-Site-Scripting-Open-Redirect.htmlThird Party Advisory, VDB Entry
- http://seclists.org/fulldisclosure/2021/Jan/60Broken Link, Mailing List, Third Party Advisory
- https://github.com/revive-adserver/revive-adserver/commit/62a2a0439Patch, Third Party Advisory
- https://github.com/revive-adserver/revive-adserver/commit/89b88ce26Patch, Third Party Advisory
- https://hackerone.com/reports/819362Exploit, Third Party Advisory
- https://www.revive-adserver.com/security/revive-sa-2021-001/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.