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Fencer Intel
medium 4.3

CVE-2010-4524 json

Cross-site scripting (XSS) vulnerability in lib/mhtxthtml.pl in MHonArc 2.6.16 allows remote attackers to inject arbitrary web script or HT…

published 15y ago modified 4mo ago also EUVD-2010-4492

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 86%
public exploits
0
none known

Summary

Cross-site scripting (XSS) vulnerability in lib/mhtxthtml.pl in MHonArc 2.6.16 allows remote attackers to inject arbitrary web script or HTML via a malformed start tag and end tag for a SCRIPT element, as demonstrated by <scr<body>ipt> and </scr<body>ipt> sequences.

Patch / fix

  • mhonarc Debian 14, Debian 13, Debian 12 2.6.18-1

debian advisories DEBIAN-CVE-2010-4524

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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-2010-4524 updated cvss 4.3

MHonArc: Improper escaping of certain HTML sequences (XSS)

  • 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

2.70% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=664718 referenced PoC, tagged "exploit" by a source, unverified
  • openwall.com http://openwall.com/lists/oss-security/2010/12/22/4 referenced PoC, tagged "exploit" by a source, unverified
  • openwall.com http://openwall.com/lists/oss-security/2010/12/21/4 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.