What is CVE-2010-4662?

CVE-2010-4662 is a medium-severity vulnerability in Pmwiki, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-02-05.

How severe is CVE-2010-4662?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2010-4662 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Pmwiki

CVE-2010-4662

PmWiki before 2.2.21 has XSS.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-02-05 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (56.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Pmwiki — versions before 2.2.21

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

packetstormsecurity.com/files/cve/CVE-2010-4662 (Broken Link)
www.openwall.com/lists/oss-security/2011/02/23/23 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2010-4662?: CVE-2010-4662 is a medium-severity vulnerability in Pmwiki, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-02-05.
How severe is CVE-2010-4662?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2010-4662 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.