CVE-2021-22889: revive-adserver revive_adserver Cross-site Scripting
Vulnerability summary
CVE-2021-22889 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in revive-adserver revive_adserver. EPSS estimates a 30.54% chance of exploitation in the next 30 days, higher than 98.2% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 25-03-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Revive Adserver before v5.2.0 is vulnerable to a reflected XSS vulnerability in the `statsBreakdown` parameter of stats.php (and possibly other scripts) due to single quotes not being escaped. An attacker could trick a user with access to the user interface of a Revive Adserver instance into clicking on a specifically crafted URL and pressing a certain key combination to execute injected JavaScript code.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
30.54%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
No change 0.00 pp
From 30.54% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
1 foundExploit Reference (hackerone.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Revive-adserver1 product
- revive_adserver< 5.2.0
1 vendor · 1 product