CVE-2021-24288: acymailing Open Redirect
CVSS: 6.1v3.1MediumModified
Published 17-05-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-24288 is a medium (CVSS 6.1) Open Redirect vulnerability in acymailing. EPSS estimates a 1.94% chance of exploitation in the next 30 days, higher than 79.9% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 7.5.0.
CVSS score
6.1/10
010
Medium · v3.1 (NVD)EPSS score
1.94%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 17-05-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
When subscribing using AcyMailing, the 'redirect' parameter isn't properly sanitized. Turning the request from POST to GET, an attacker can craft a link containing a potentially malicious landing page and send it to the victim.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NSourcesAll 2 agree
- wordfenceSource6.1MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Medium 5.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:NSourcesSingle source
EPSS trend
Probability
1.94%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
0.00 pp
From 1.94% on 21-09-2026
21-09-202621-10-2026
EPSS score1.94%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Acymailing2 products
- acymailing< 7.5.0
- newsletter via smtp, sendinblue, sendgrid, mailgun - acymailing smtp newsletter≥ 7.5.0, < 7.5.0
Wordpress1 product
- acymailing< 7.5.0
2 vendors · 3 products
References
2 links- wpscan.com/vulnerability/56628862-1687-4862-9ed4-145d8dfbca97X Refsource CONFIRMExploitThird Party Advisory