How severe is CVE-2021-28941?

CVE-2021-28941 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2021-28941 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-28941?

CVE-2021-28941 affects Magpierss Project Magpierss. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-28941?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-28941 published?

CVE-2021-28941 was published on 2021-04-02 and last updated on 2026-06-17.

CVE-2021-28941

CVE-2021-28941 is a medium-severity vulnerability in Magpierss Project Magpierss with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-918.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Magpierss Project Magpierss
Published: 2021-04-02
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2021-28941?: 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.
How severe is CVE-2021-28941?: CVE-2021-28941 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2021-28941 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-28941?: CVE-2021-28941 affects Magpierss Project Magpierss. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-28941?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-28941 published?: CVE-2021-28941 was published on 2021-04-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:magpierss_project:magpierss:0.72:*:*:*:*:*:*:*

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