TI-2021-09873 Aliases CVE-2021-28940 GHSA-pqv7-f7mw-95gc

Because of a incorrect escaped exec command in MagpieRSS in 0.72 in the…

MEDIUM 48CWE-116Published 2021-04-02 · Updated 2024-08-03

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Because of a incorrect escaped exec command in MagpieRSS in 0.72 in the /extlib/Snoopy.class.inc file, it is possible to add a extra command to the curl binary. This creates an issue on the /scripts/magpie_debug.php and /scripts/magpie_simple.php page that if you send a specific https url in the RSS URL field, you are able to execute arbitrary commands.

Why it matters now

EPSS 0.03299 88th percentileScored 2026-11-07

Public exploit Yes 2 exploit referencesTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:magpierss_project:magpierss:0.72:::::::*	0.72	Vulnerable	Magpierss Project

cpe:2.3:a:magpierss_project:magpierss:0.72:*:*:*:*:*:*:* Versions 0.72 Vulnerable ·Magpierss Project

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-28940
2026-10-03 Alias added: GHSA-pqv7-f7mw-95gc

References

Exploit 2

Advisory 1

https://github.com/kellan/magpierss/blob/04d2a88b97fdba5813d01dc0d56c772d97360bb5/extlib/Snoopy.class.inc#L660

TI-2021-09874 Because of no validation on a curl command in MagpieRSS 0.72 in the… CVSS 3.1MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences