CVE-2021-28941

Name: CVE-2021-28941
Creator: NVD / NIST
Published: 2021-04-02T20:15:13.397+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 1.13%

Last modified Jun 17, 2026

CVE-2021-28941 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Because of no validation on a curl command in MagpieRSS 0.72 in the /extlib/Snoopy.class.inc file, when you send a request to the /scripts/magpie_debug.php or /scripts/magpie_simple.php page, it's possible to request any internal page if you use a https request.. EPSS estimates a 1.13% chance of exploitation in the next 30 days.

Description

Because of no validation on a curl command in MagpieRSS 0.72 in the /extlib/Snoopy.class.inc file, when you send a request to the /scripts/magpie_debug.php or /scripts/magpie_simple.php page, it's possible to request any internal page if you use a https request.

Metrics

CVSS 3.1

5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

1.13%

62.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

Affected Software

Vendor	Product	Versions
Magpierss Project	Magpierss	0.72

References

https://github.com/kellan/magpierss/blob/04d2a88b97fdba5813d01dc0d56c772d97360bb5/extlib/Snoopy.class.inc#L660Third Party Advisory
https://pastebin.com/kpzHKKJuExploit, Third Party Advisory
https://github.com/kellan/magpierss/blob/04d2a88b97fdba5813d01dc0d56c772d97360bb5/extlib/Snoopy.class.inc#L660Third Party Advisory
https://pastebin.com/kpzHKKJuExploit, Third Party Advisory

Timeline

Published: Apr 2, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-28941?

How severe is CVE-2021-28941?

CVE-2021-28941 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.13% probability of exploitation in the next 30 days.

How do I fix CVE-2021-28941?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-28941?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST