CVE-2021-24322: delicious brains database backup for wordpress Cross-site Scripting
Vulnerability summary
CVE-2021-24322 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in delicious brains database backup for wordpress. EPSS estimates a 0.70% chance of exploitation in the next 30 days, higher than 52.6% of scored vulnerabilities. 2 public exploits are recorded. Fixed in 2.4.
Timeline
- 01-06-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
The Database Backup for WordPress plugin before 2.4 did not escape the backup_recipient POST parameter in before output it back in the attribute of an HTML tag, leading to a Stored Cross-Site Scripting issue.
CVSS metrics
3 scores · 2 sources · 2 versions- wordfenceSource5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
0.70%
Chance of exploitation in the next 30 days
Percentile
53%
Versus all other CVEs
30-day change
0.00 pp
From 0.70% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (wpscan.com)
Maturity: unknown
Exploit Reference (m0ze.ru)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Delicious brains1 product
- database backup for wordpress≥ 2.4, < 2.4
Deliciousbrains1 product
- database_backup< 2.4
Wordpress1 product
- wp-db-backup< 2.4
3 vendors · 3 products
References
3 links- wpscan.com/vulnerability/6bea6301-0762-45c3-a4eb-15d6ac4f9f37X Refsource CONFIRMExploitThird Party Advisory