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Fencer Vulns
medium 4.3

CVE-2008-5278 json

Cross-site scripting (XSS) vulnerability in the self_link function in in the RSS Feed Generator (wp-includes/feed.php) for WordPress before…

published 2008-11-28 17 y ago modified 2026-06-16 4 mo ago also EUVD-2008-5255

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.2%
EPSS 3.2% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

Cross-site scripting (XSS) vulnerability in the self_link function in in the RSS Feed Generator (wp-includes/feed.php) for WordPress before 2.6.5 allows remote attackers to inject arbitrary web script or HTML via the Host header (HTTP_HOST variable).

Patch / fix

  • wordpress Debian 14, Debian 13, Debian 12 2.5.1-11

debian advisories DEBIAN-CVE-2008-5278

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-2008-5278 updated

wordpress-mu: XSS vulnerability in RSS Feed Generator

  • 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

Exploit prediction

3.23% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • securityfocus.com http://www.securityfocus.com/archive/1/498652 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
Technology feeds

References

Sources

Fencer Vulns 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.