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Fencer Intel
medium 4.3

CVE-2011-0740 json

Cross-site scripting (XSS) vulnerability in magpie/scripts/magpie_slashbox.php in RSS Feed Reader 0.1 for WordPress allows remote attackers…

published 2011-02-02 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-0752

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.7%
EPSS 4.7% chance of exploitation in 30 days, percentile 91%
public exploits
1
Exploit-DB

Summary

Cross-site scripting (XSS) vulnerability in magpie/scripts/magpie_slashbox.php in RSS Feed Reader 0.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via the rss_url parameter.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2011-0740 updated cvss 4.3

php-magpierss: XSS vulnerability

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-35261)
  2. Published

Exploit prediction

4.66% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-35261 WordPress Plugin RSS Feed Reader 0.1 - 'rss_url' Cross-Site Scripting webapps, 2011-01-23
  • securityfocus.com http://www.securityfocus.com/bid/45997 referenced PoC, tagged "exploit" by a source, unverified
  • autosectools.com http://www.autosectools.com/Advisories/WordPress.RSS.Feed.Reader.for.WordPress.0.1_Reflected.Cross-site.Scripting_82.html referenced PoC, tagged "exploit" by a source, unverified
  • osvdb.org http://osvdb.org/70644 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/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.