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CVE-2021-22871

MEDIUM
4.8
CVSS Score
Published: January 21, 2021 at 07:15 PM UTC
Updated: June 17, 2026 at 03:37 AM UTC
1 product affected across 1 vendorRevive Adserver

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Severity
MEDIUM4.8
Exploit prediction
EPSS 2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Revive Adserver· Revive Adserver
95%
v < 5.1.0
Vendor states this is fixed in 5.1.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (6)

x_refsource_MISCThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/161070/Revive-Adserver-5.0.5-Cross-Site-Scripting-Open-Redirect.html
Mailing Listx_refsource_FULLDISCBroken LinkThird Party Advisory
Source: [email protected]
http://seclists.org/fulldisclosure/2021/Jan/60
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/revive-adserver/revive-adserver/commit/62a2a0439
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/revive-adserver/revive-adserver/commit/89b88ce26
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://hackerone.com/reports/819362
x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.revive-adserver.com/security/revive-sa-2021-001/

CVSS

4.8MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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