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Fencer Intel
medium 5.4

CVE-2021-27190 json

A Stored Cross Site Scripting(XSS) Vulnerability was discovered in PEEL SHOPPING 9.3.0 and 9.4.0, which are publicly available.

published 5y ago modified 4mo ago also EUVD-2021-13956

cvss
5.4
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

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.

Patch / fix

Is CVE-2021-27190 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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Exploit prediction

1.62% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • secuneus.com https://www.secuneus.com/cve-2021-27190-peel-shopping-ecommerce-shopping-cart-stored-cross-site-scripting-vulnerability-in-address/ referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/anmolksachan/CVE-2021-27190-PEEL-Shopping-cart-9.3.0-Stored-XSS referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/vulf/Peel-Shopping-cart-9.4.0-Stored-XSS referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.