CVE-2011-3371

NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 2%CVSS: —Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

Multiple cross-site scripting (XSS) vulnerabilities in include/functions.php in PunBB before 1.3.6 allow remote attackers to inject arbitrary web script or HTML via the (1) id, (2) form_sent, (3) csrf_token, (4) req_confirm, or (5) delete parameter to delete.php, the (6) id, (7) form_sent, (8) csrf_token, (9) req_message, or (10) submit parameter to edit.php, the (11) action, (12) form_sent, (13) csrf_token, (14) req_email, or (15) request_pass parameter to login.php, the (16) email, (17) form_sent, (18) redirect_url, (19) csrf_token, (20) req_subject, (21) req_message, or (22) submit parameter to misc.php, the (23) action, (24) id, (25) form_sent, (26) csrf_token, (27) req_old_password, (28) req_new_password1, (29) req_new_password2, or (30) update parameter to profile.php, or the (31) action, (32) form_sent, (33) csrf_token, (34) req_username, (35) req_password1, (36) req_password2, (37) req_email1, (38) timezone, or (39) register parameter to register.php.

CVSS v3
—
EG Score
0.0(none)
EPSS
81.5%
KEV
Not listed

Published

October 2, 2011

Last Modified

April 29, 2026

References (20)

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 10× in last 7d / 41× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 16:23 UTCEPSS rescore
  2. 2026-07-06 02:19 UTCEPSS rescore
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  1. 2026-06-18 17:49 UTCEPSS rescore
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  9. 2026-06-13 22:57 UTCEPSS rescore
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  12. 2026-06-11 13:56 UTCEPSS rescore
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  34. 2026-05-29 13:41 UTCEPSS rescore
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  36. 2026-05-29 06:48 UTCEG score recompute
  37. 2026-05-29 06:48 UTCGHSA enrichment
  38. 2026-05-28 13:42 UTCEPSS rescore
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  40. 2026-05-28 13:42 UTCEPSS rescore
  41. 2026-05-27 13:38 UTCEPSS rescore
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  45. 2026-05-26 07:16 UTCEPSS rescore
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  48. 2026-05-22 21:15 UTCEPSS rescore
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  57. 2026-05-18 21:29 UTCEPSS rescore
  58. 2026-05-18 21:29 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(4)

What is CVE-2011-3371?
CVE-2011-3371 is a none vulnerability published on October 2, 2011. Multiple cross-site scripting (XSS) vulnerabilities in include/functions.php in PunBB before 1.3.6 allow remote attackers to inject arbitrary web script or HTML via the (1) id, (2) formsent, (3) csrftoken, (4) reqconfirm, or (5) delete parameter to delete.php, the (6) id, (7) formsent, (8)…
When was CVE-2011-3371 disclosed?
CVE-2011-3371 was first published in the National Vulnerability Database on October 2, 2011, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2011-3371 actively exploited?
CVE-2011-3371 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 81.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2011-3371?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-3371, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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