CVE-2011-3858

medium
Published 2011-09-28 ยท Modified 2026-04-29
CVSS v3
โ€”
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
5.3

Description

Cross-site scripting (XSS) vulnerability in the Pixiv Custom theme before 2.1.6 for WordPress allows remote attackers to inject arbitrary web script or HTML via the s parameter.

Predictions

Exploit likelihood
20%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-36185 webapps php verified
SiteWatch ยท 2011-09-29

WordPress Theme Pixiv Custom Theme 2.1.5 - 'cpage' Cross-Site Scripting

Source code queued for fetch โ€” refresh in a moment.

Application impact

VendorProductVersionsFixed
zespiapixiv_custom{"endIncluding":"2.1.5"}
zespiapixiv_custom1.0
zespiapixiv_custom1.0.1
zespiapixiv_custom1.0.2
zespiapixiv_custom1.1
zespiapixiv_custom1.1.1
zespiapixiv_custom1.1.2
zespiapixiv_custom1.1.3
zespiapixiv_custom1.1.4
zespiapixiv_custom1.1.5
zespiapixiv_custom1.1.6
zespiapixiv_custom1.1.7
zespiapixiv_custom1.1.9
zespiapixiv_custom1.1.10
zespiapixiv_custom1.1.11
zespiapixiv_custom1.1.12
zespiapixiv_custom1.1.13
zespiapixiv_custom1.1.14
zespiapixiv_custom1.2.0
zespiapixiv_custom1.2.1
zespiapixiv_custom1.3.0
zespiapixiv_custom1.3.1
zespiapixiv_custom2.0
zespiapixiv_custom2.0.2
zespiapixiv_custom2.0.4
zespiapixiv_custom2.0.7
zespiapixiv_custom2.1.0
zespiapixiv_custom2.1.1
zespiapixiv_custom2.1.2
zespiapixiv_custom2.1.3
zespiapixiv_custom2.1.4
wordpress wordpresswordpress

References

CWEs

CWE-79

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.