CVE-2021-28940

Katalog CVE

CVSS 9.8 · Critical EPSS 3,3%

Kerentanan Improper Encoding or Escaping of Output pada magpierss project magpierss. Skor CVSS 3.1 9.8 (Critical) menurut NVD.

Deskripsi (NVD)

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.

Rincian

Terbit di NVD

2 April 2021

Terakhir diubah

17 Juni 2026

Status NVD

Modified

CVSS 3.1

9.8 (Critical), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-116: Improper Encoding or Escaping of Output

EPSS (30 hari)

3,3% peluang dieksploitasi; lebih tinggi dari 88,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/kellan/magpierss/blob/04d2a88b97fdba5813d01dc0d56c772d97360bb5/extlib/Snoopy.class.inc#L660 advisory pihak ketiga
• https://pastebin.com/kpzHKKJu exploit · advisory pihak ketiga
• https://www.exploit-db.com/exploits/49643 exploit · advisory pihak ketiga · vdb entry