How severe is CVE-2021-27190?

CVE-2021-27190 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-27190 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-27190?

CVE-2021-27190 primarily affects Peel Peel Shopping. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-27190?

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

When was CVE-2021-27190 published?

CVE-2021-27190 was published on 2021-02-12 and last updated on 2026-06-17.

CVE-2021-27190

CVE-2021-27190 is a medium-severity vulnerability in Peel Peel Shopping with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Peel Peel Shopping
Published: 2021-02-12
Last modified: 2026-06-17

Description

A Stored Cross Site Scripting(XSS) Vulnerability was discovered in PEEL SHOPPING 9.3.0 and 9.4.0, which are publicly available. The user supplied input containing polyglot payload is echoed back in javascript code in HTML response. This allows an attacker to input malicious JavaScript which can steal cookie, redirect them to other malicious website, etc.

Frequently asked questions

What is CVE-2021-27190?: A Stored Cross Site Scripting(XSS) Vulnerability was discovered in PEEL SHOPPING 9.3.0 and 9.4.0, which are publicly available. The user supplied input containing polyglot payload is echoed back in javascript code in HTML response. This allows an attacker to input malicious JavaScript which can steal cookie, redirect them to other malicious website, etc.
How severe is CVE-2021-27190?: CVE-2021-27190 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-27190 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27190?: CVE-2021-27190 primarily affects Peel Peel Shopping. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-27190?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-27190 published?: CVE-2021-27190 was published on 2021-02-12 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:peel:peel_shopping:9.3.0:*:*:*:*:*:*:*
cpe:2.3:a:peel:peel_shopping:9.4.0:*:*:*:*:*:*:*

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CVE-2018-20848 — High (CVSS 8.8): Advisto PEEL SHOPPING 9.0.0 has CSRF via en/achat/caddie_ajout.php and en/achat/caddie_affichage.php, as demonstrated…
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CVE-2019-20178 — Medium (CVSS 6.5): Advisto PEEL Shopping 9.2.1 has CSRF via administrer/utilisateurs.php to delete a user.
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