CVE-2017-5677

critical

Published 2017-02-06 · Modified 2026-05-13

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CVSS v3

9.8

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

9.8

Description

PEAR HTML_AJAX 0.3.0 through 0.5.7 has a PHP Object Injection Vulnerability in the PHP Serializer. It allows remote code execution. In one viewpoint, the root cause is an incorrect regular expression.

Predictions

Exploit likelihood

97%

Patch ETA

—

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 — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → 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.

Application impact

Vendor	Product	Versions
pear	html_ajax	`0.3.0`
pear	html_ajax	`0.3.1`
pear	html_ajax	`0.3.2`
pear	html_ajax	`0.3.3`
pear	html_ajax	`0.3.4`
pear	html_ajax	`0.4.0`
pear	html_ajax	`0.4.1`
pear	html_ajax	`0.5.0`
pear	html_ajax	`0.5.1`
pear	html_ajax	`0.5.2`
pear	html_ajax	`0.5.3`
pear	html_ajax	`0.5.4`
pear	html_ajax	`0.5.5`
pear	html_ajax	`0.5.6`
pear	html_ajax	`0.5.7`

References

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

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